Issei Hyodo is your average perverted high school student whose one wish in life is to have his own harem, but he's got to be one of the unluckiest guys around. He goes on his first date with a girl only to get brutally attacked and killed when it turns out the girl is really a vicious fallen angel. To top it all off, he's later reincarnated as a devil by his gorgeous senpai who tells him that she is also a devil and now his master! One thing's for sure, his peaceful days are over. In a battle between devils and angels, who will win?

[Source: FUNimation]

The devilish haremking Issei Hyoudou is back for more outrageous Oppai Battle Entertainment in the scintillating second season of High School DxD! Fans who like their hardcore action spiked with a double dose of fan service won’t be able to pry their eyes off all the scorching supernatural schoolgirls waiting for them in Season Two. So what are you waiting for? Plant yourself in front of the boob tube and watch a harem of devil hotties show you how much fun it is to be bad!

[Source: FUNimation]

The babes and boys of the Occult Research Club are Back! Lovable loser (and bust buff) Issei and his clan of bewitching beauties return for a new season of supernatural tussles and sexy shenanigans—featuring old friends and new enemies! Now that all the girls live in Issei’s home, life seems like nothing but fun and scantily-clad lounging…for now! Join Rias, Akeno, Koneko, Asia, Xenovia, Gasper, and everyone’s favorite Harem King Issei as they fight, fumble, and fondle their way through their demonic high school lives.

[Source: Funimation]

In a dark world of monsters, adventurers and mages, some of the most gifted healers are subjugated to brute force even by the hands of their compatriots. But one mage, Kayal, gains the ability to rewind time, turn the tables and right all wrongs.

[Source: Sentai Filmworks]

Only a pure maiden can have the privilege to contract with a spirit. Priestesses, who can summon spirits from Astral Zero, the world of spirits, and have full command of their power, are called elementalists.

Kamito Kazehaya is the only male with this privilege, and due to what happened in the past he comes to Areisha Spirit Academy where priestesses are trained to become elementalists. He is then told that he is to transfer to the school, form a team with priestesses to compete in Blade Dance where the most powerful elementalist is chosen, and win.

[Source: Crunchyroll]

#1: Oppai, Minorimasu! (Episode 13)
A rumor is going about the school about how girls are disappearing and coming back ill and with their breast size decreased.

#2: Oppai, Motomemasu! (Episode 14)
While observing how the others do their jobs so they can do theirs better, Issei and Asia go with Rias to see if a coffin is cursed. During the investigation Issei is possessed by an Egyptian magician named Unas, It just so happens that Unas is just as perverted as Issei. Unas will only leave Issei's body if they can release Unas from the curse placed on him by a devil that Unas tried to make his bride.

A series of 3-5 minute specials that were bundled with the HighSchool DxD DVD and Blu-rays. They are a stand alone set of episodes that are not a part of any story line in particular.

Special 1: Going Sunbathing! - The Occult Research Club goes on a beach outing.

Special 2: Issei's Private Training! - Issei is being given lessons in magic by Akeno.

Special 3: A Little Bold, Koneko-Chan... Nyan! - Koneko accidentally has her personality reversed magically, making her incredibly sexually active and reversing her sexual preference.

Special 4: The Untold Story of The Dress Break's Birth! - A few flashbacks of how Issei first found out and eventually perfected his special move, Dress Break.

Special 5: Making Udon! - As part of a penalty for losing a bet, Sona and Tsubaki make udon for the Occult Research Club but the udon comes to life in a peculiar way...

Special 6: Asia Transforms! - Asia wants to prove she is just as bad as any demon by using ideas found in Issei's magazines, going as far as dressing up like a harlot and seducing him.

[Source: Wikipedia]

A shy and insecure teenager, Itou Makoto, has resigned to stealing glances at a cute girl as they ride the same train each morning on their way to their high school. At least until Saionji Sekai surprises Makoto and chances a peek at a photo-snap of the beautiful Katsura Kotonoha on his cell-phone. After evilly teasing Makoto about his hopeless crush, Sekai offers to support him in his romance. So after many Makoto-pep-talks and lots of scheming, the three become close friends. Close enough that Makoto braves asking Katsura out on a date. And she agrees. Later that day, Makoto finds a quiet moment to express his thanks for all support that Sekai has offered him, and makes clear his intent on finding a way to repay her kindness. But he is totally unprepared and very surprised at the reward that Sekai has chosen. Sekai steals a long kiss from his lips, before breaking away to run for the train. Sekai turns and wishes Makoto well on his date...

[Source: anime.mikomi.org]

Asia is attacked by a monster which stole her undergarments as the Occult Research Club arrives to rescue her. Facing trouble to fight that monster due to Asia's request, they managed to destroy that monster with the help of the timely arrival of Irina. Rias then receives a message from Yuuto telling them that Gasper has found the source of the magic. As they arrive to the source of the magic, the Occult Research Club and Irina decides to split into two groups with Akeno and Asia staying behind. The advanced group then encounters the individual responsible for the monsters as he reveals his past story with Issei being in awed with him. Azazel suddenly appears and reveal that the priest who has been stealing women undergarments is the man closest to achieving the Philosopher Stone. Preparing for another spell, the priest halted half way due to the lack of perversion as Koneko reveals Gasper's panties causing the spell to go wrong as the priest became an underwear monster. The underwear monster starts to gain advantage by stripping the girls and manipulating their bras. After having the girls surrounding Ise, the underwear monster, now jealous decides to absorb the girls instead. Issei having determine that the priest is mistaken starts a preach about breasts causing the underwear monster to be in doubt. With Azazel's advice, Issei defeats the underwear monster using Dress Break and the priest is captured. Before leaving, the priest leaves the stolen undergarments to Issei, as Rias and the others decides to leave returning the undergarments to Issei.

[Source: Wikipedia]

Specials included with the Blu-ray/DVD volumes.

This is the youth I want? The young hunter with the most kills in the guild is Kikuru. He spent his entire childhood honing his hunting skills, and now all he wanted was to quit his job and turn back the clock to his younger years! Training his successor is Kikuru's top priority because he wants to retire as soon as possible! But for some reason, nothing but immorality has taken place under his cunning new guard! How will the youth of Kikuru grow? The newcomers' training in Kikuru's immorality has begun!

[Source: bilibili Global]

Unaired anime episode bundled the limited edition High School D×D DX.2 light novel.

Yuki Tanaka is a VTuber at Live-On, one of Japan’s largest VTuber companies, as the polite and ladylike Awayuki Kokorone. One day, she forgets to end the stream, and viewers see her real personality—irreverent, improper, and prone to imbibing after a long day. Yuki is surprised to find that her accident caused her rankings to multiply, so she doubles down and gets to work. She’ll be a star yet!

[Source: Crunchyroll]

Because she committed the sin of pride against God, the Great Angel Lucifer was cast into Hell and became a Fallen Angel. Also at the lowest level of Hell, the hierarchy of demons have sealed away Lucifer’s powers. Lucifer had lost everything, but along with the Demon King of Envy, Leviathan, that admires Lucifer and a high school girl she met on Earth named Totsuka Maria, she becomes the Demon King of Pride Lucifer and begins her journey to revenge on the Seven Demon Kings of Hell. A book of Revelations with the “Seven Deadly Sins” portrayed by beautiful Demon Kings is about to begin.

[Source: Crunchyroll]

Yuuhi Katagiri is not your average girl – she's the treasured daughter of the Katagiri family. She's generally kept under strict supervision, but one day ends up walking home from school on her own. This proves to be instant trouble when a group of boys start harassing her. Junichi Nagase, who was on his way home from a convenience store, sees the troubled Yuuhi and comes to her rescue. One of the boys recognized Junichi as the famed "Geno Killer" and they dash off. Yuuhi thanks Junichi and when she asked for his name, he just waves and leaves. Of course, he regrets trying to act cool in front of the beautiful girl right away, wishing he asked her name.

The following day, a transfer student joins Junichi's class – it's Yuuhi! She calls Junichi out as the "Geno Killer", the only name she remembers him by, and rumors about the two spread quickly. Matters are made worse when Junichi kisses Yuuhi due to a misunderstanding. And on top of all that, it turns out that Junichi is Yuuhi's fiancé!

Yuuhi doesn't see Junichi as someone worthy. But, she could not go against her father's wishes. The only thing that Yuuhi can do is live with Junichi in the house he shares with his little sister Minato, and prove that Junichi is not worthy to be her husband. Will she succeed in proving his unworthiness, or will she fall in love on the way?

Descend into the dark world of SCM, where you are labeled either a master or servant based on your ability to win a game of chance. A strange sequence of events leads a group of people to enter the game, each driven by a hidden agenda. In a game where the players advance their position through means of greed, deception, and power, what type of depravity will they reach to become the ultimate master?

[Source: Sentai Filmworks]

The comedy centers around a high school boy named Kōichi Madanbashi who has Hi-ERo particles, the power source to operate the robotic weapon Daimidaler. With the help of Kyōko Sonan from the mysterious Prince Beauty Parlor organization, he stands up against the Penguin Empire that troubles humanity.

[Source: Anime News Network]

Girls study at schools for modern shinobi. They dedicate their entire young lives to learning to become true shinobi, battling each other to polish their skills. And then one day, Asuka, whose grandfather is a legendary shinobi, encounters an ancient evil being named a "Youma" in the back alleys of Tokyo at Christmastime. Where there is light, there is shadow. Over 28 of the strongest and most well-endowed ninjas in history, both good and evil, will collide in a battle to determine true justice. And this deadly battle begins... right now.

[Source: Crunchyroll]

“Jet-Racing” has become a mega-popular extreme sport across the world, and with good reason! The “Jetter” pilots a high velocity watercraft and is paired with a “Shooter” who blasts rival teams with a hydro gun. It all adds up to explosive, wet-and-wild action as they race to the finish and compete to earn supremacy. Among those competing is Rin Namiki, and racing is in her blood. Rin aspires to become a legendary Jetter just like her mother, and after meeting the cool and gorgeous Shooter Misa Aoi, it looks like Rin’s dreams are finally in reach with a partner who shares her passion! Every race brings them tighter together as a team and closer than ever to their dream of becoming the best Jet Racers on the water.

[Source: Sentai Filmworks]

Unaired shorts included with each of the seven Blu-ray/DVD volumes of the TV anime.

Life gets crazy for Hakufu when she takes on a pupil that acts just like her! A tournament between the school heads start, but due to Hakufu's negligence, her pupil ends up taking her place. The tournament isn't what it seems, and the girls find themselves in the middle of a plot to take over the clans.

[Source: FUNimation]

OVA that came with the PlayStation 2 game "School Days L×H"

Makoto, Sekai, Kotonoha, and many other classmates all go to a hot springs hotel to relax, where they discuss what their plans are for the upcoming Valentine's Day. When the day actually comes, half a dozen girls fight over who gets to give chocolate to Makoto.

[Source: Anime News Network]

Kannazuki no Miko begins in the village of Mahoroba, where time passes slowly for both man and nature. Two students from the village's prestigious Ototachibana Academy might as well be night and day. Himeko is shy and unassertive, while Chikane is bold and elegant. Despite this, they love each other, and nothing can come between them, no matter how hard they try.

On the two girls' shared birthday, a sinister voice corrupts one of their friends into attacking them, and just when it seemed grimmest, the lunar and solar priestess powers that lay dormant in the two girls awaken, dispelling the evil. That was only the first hurdle, however. The two must now fend off the countless others who would threaten their well-being—even the people closest to them!

Everybody goes on vacation to Ayanokouji's private island for fun in the sun. Hilarity ensues.

Originally an April's Fool in 2007, this one episode OVA is a spin-off of the School Days game by 0verflow, and shows Kokoro Katsura, the little sister of one of the main characters, from her other side. A mahou shoujo out to save the world, or something like that.

[Source: AniDB]

Saotome Kazuya is a computer whiz. One day his friend Nanbara, threatens him with a computer virus. Trying to stop the virus, Kazuya ends up making a special order. May is a cyberdoll that arrives at his door a few minutes later and she is 1/6th the size of a normal person, which makes for many awkward situations. Not to mention the fact Kazuya can't even afford to keep May. Cyberdyne is not satisfied with Kazuya's non-payments and will do anything to retrieve CBD May.

[Source: Anime News Network]

Kuu attends school in the city of learning, Academia. She soon finds herself locked in conflict with the Absolute Angels: a group of beautiful girls who feed on human life force to survive. Wielding god-like strength, they have the power to destroy the world itself. But are they truly demons of destruction or simply innocent girls trapped in a fate they can’t escape?

[Source: Crunchyroll]

Munakata Mira is in love with his father, the famous Hollywood actor Munakata Kyousuke. Unknown to the public, both of them are father and son as well as lovers. When Mira turns 15 and enters high school, he faces trouble with his childhood friend falling in love with him. Also, finding out he is adopted only distresses him further. Then there's the problem of Kyousuke probably marrying a famous actress, whose son seems to have an interest in Mira.

[Source: Anime News Network]

Amawa Hibiki is a young man just out of college, with an education to be an athletics teacher. He's been having a hard time finding a job since he graduated, so all his money has gone towards living expenses. When his landlady demands his first payment to live in her living establishment upfront, he heads to the local middle school to get hired as a teacher. However, the principal refuses to hire him without hesitation. She will not hire men as teachers and makes it clear that she hates all men, saying they put no love into their passions and work. Amawa does not give up and with the help of his landlady, he crossdresses as a woman without a second thought, and gets hired, so he can earn money and also prove the principal wrong. Now, he has to keep his real gender a secret, and avoid strange situations, including the affections of his students (from both genders).

[Source: Anime News Network]

Jet Racing is back, and it’s wetter and wilder than ever! Catch up with Rin, Misa and all your favorite Jet Racers as they return to the waves in this exciting follow-up to Kandagawa Jet Girls. The racing never ends in the Kandagawa Jet Girls OVA!

[Source: HIDIVE]

Scrape your jaw off the bathhouse floor and get an eyeful of the wildest maidens this side of Valhalla! Watch your favorite girls wiggling and jiggling in and out of outfits so revealing they may as well wear nothing. Except glasses! Because Princess Pharm’s in town, and she’s cruising the local high school looking for chicks that can pull off the bookish and busty look.

[Source: Crunchyroll]

Ikkitousen: Xtreme Xecutor Blu-ray and DVD specials.

Mini-OVA specials bundled with each Blu-ray/DVD volume of Kenzen Robo Daimidaler.

Mai, a Santa in training, appears in front of an unlucky boy named Santa on Christmas Eve, promising him that she will make him happy for one night.

The story follows the coming of age and Shinki battles of Tsubasa, a boy who dreams of becoming a Shinki Master, and his Shinki partner Arnval Mk. 2.

[Source: Anime News Network]

Valkyrie, Kazuto, Akina, Hydra, and friends are back for more when the Key of time suddenly appears along with many other mysterious happenings. All seemed to be linked to a person named "Valkyrie Ghost" whose only goal is stealing Kazuto for herself. As they team up against this seeming unbeatable foe they dig deeper into the mysterious past of Valkyrie's home planet, Valhalla.

[Source: Anime News Network]

Lovedol, or Lovely Idol, is a girl group consisting of two generations of idols. The 3rd Generation is about to make its debut, but to their surprise, they have been delayed! The vague reason is only that "they lack something." The manager, and the 3rd Gen. girls too, must find the answer.

Taruto is a little cat who has just moved to a new city with her master's family. Taruto spends her days making friends and exploring her new home town. She also has a knack for getting herself into trouble. And it turns out that Taruto just might be a legendary magical princess. Almost none of Taruto’s friends believe that she can use magic or that she’s a princess, but Taruto is determined to prove it to them. But Taruto's magic is so unpredictable, you never know what's going to happen when she uses it.

[Source: Anime News Network]

Meet Chako and her friends from the Cosplay Association at East Oizuki Academy! They're the hottest new cosplay team in Japan...fresh from a winning streak of local battles, they're set to sweep the Cosplay World Series!

Yeah, right.

In reality, Chako and her friends are barely able to keep their club alive at all. Feeble club membership and a lack of sponsorship might be the end of their cosplay dreams before they can even start. But don't you dare underestimate this group of spunky girls! They'll survive a barrage of pervy newcomers, cosplay rivalries, costume disasters and dating mishaps in order to reach their ultimate goal of competing in the World Series. The clothing flies as the girls suit up (and strip down) for Cosplay Complex!

[Source: DVD Back Cover]

The third season doesn't have a particular story behind everything (like "Valkyrie Ghost" in the second season). It just tells 6 stories about the life of Kazuto & Co. with some additions: Raine and Chorus get a house on earth, the last three Valhalla princesses each get an episode, and in the last episode Kazuto and Valkyrie, who in the same episode managed to stay adult, >try< to marry again.

[Source: Anime News Network]

Special shorts focusing on character relationships.

The strange and magical events of the last season have left Kazuto with two Valkyries. He now finds himself living with and looking after both a teenaged-princess Valkyrie, as well as the child-princess Valkyrie! And they still have not yet gotten married...

[Source: AniDB]

At Saint Hoshikawa School there is a secret group called the G-On Riders. Students with superior strength and ability are chosen to be in the group, which was formed to fight against alien attacks on the earth. However, many of the problems that the members face are ones amongst themselves, and the same is true for the invaders. And another student at the school, Ichiro, tries desperately to confess his love to Yuki, one of the Riders.

[Source: Anime News Network]

The queen of planet Valhalla arrives on Earth with a virtual-world-program, called "bride training boot camp". They built several pairs which have to take a random card with a special situation that might occur if you are married. For instance Kazuto and Valkyrie have to make dinner, Raine and Kazuto's sister have to manage poverty or Akina and Hydra have to prepare a wedding ceremony as bride and groom (so everyone gets the most unlikely and unsuitable situation).

[Source: Anime News Network]

Jack Hofner and Rowe Rikenbacker are Cloud 7's L/R. Their job is to protect the Royal family of Ishtar, their treasures, and their reputation. Jack & Rowe face one of the toughest missions of their career when they are assigned to protect Noelle, a candidate for the 15 Year Princesse contest. It starts out simple, but soon all of Cloud 7 are involved in a web of intrigue that includes bombings, corruption and murder.

[Source: Anime News Network]

Six girls including Tsukishima Yui were summoned into the end of Edo period by the power of mystic stones. They became celestial nymphs to protect cities from evils. Each girl obtained her own power. The power Yui obtained was "word". She would fight against evils by her "words" that gave people hope.

[Source: AnimeNfo]

The Extra Identification episode will allow you to match the different costumes in the series to the anime series they are from.