For as long as Akari can remember, she and Hiroyuki have always been friends. But with time, everything changes, and her feelings have turned into something more. As a new semester of high school begins, will the two childhood friends come closer together or drift further apart? Join Hiroyuki, Akari and all their friends—the bubbly Shiho, the quiet Serika, the lovely Kotone, and more—in this heartwarming tale of love, relationships and friendship!
[Source: RightStuf]
Six short "Special Broadcasts" (omake) were produced and aired after selected episodes. They lasted around five minutes and followed the general style of the main anime, although the characters are drawn as chibis.
[Source: Wikipedia]
Time flies by; Hiroyuki and Akari are 12th-graders now. Both of them and their friends have grown up gradually in someway, physically or mentally, but one of their best friends is missing: the lifelike android Multi. To their surprise, Multi is brought to their campus again without notice, yet she is no longer the same Multi they have known.
[Source: Anime News Network]
Following her graduation from middle school, Konomi Yuzuhara enters the same high school as Takaaki Kono, her childhood friend. As the new school year begins, they meet their childhood friend Tamaki Kosaka, as well as many new accquaintances. Unbeknownst to the group, their encounters with each other will soon lead to many memorable adventures.
[Source: Anime News Network]
This is a special to To Heart: Remember My Memories, which includes fighting scenes between all the female characters.
A collection of stories involving the girls of To Heart 2, with each episode focusing on a different character.
[Source: Anime News Network]
Based on the Visual Novel ToHeart 2 AD (Another Days), the sequel to ToHeart 2.
Volume 1
Silfa the robot maid is currently working at Takaaki's house. However, she seems to have a little trouble with her duties as part of it involves going out in public to buy groceries, and she's a bit "shy" in a sense. But when it comes to Haruka Yuzuhara's special curry, she'll do what she has to in order to make this special dish for Takaaki. And that includes some competition from Milfa (Harumi).
Volume 2
Involves summer, swimsuits and photography.
[Source: AniDB]
The first and the second volume will feature Komaki Manaka and Kusakabe Yuuki, respectively.
Two-volume OVA based on a PlayStaion Portable RPG game released in 2011.