Blu-rays bundled with the 11th and 12th volumes of the manga.
The first anime Blu-ray Disc features brand new stories, including a story with Momoka titled "Futari no Amanojaku" (Their Perversion), a story with Sora titled "Tenkuuji Sora no Nichijou" (Sora Tenkuuji's Everyday Life), and a story with Maihime titled "Jinruisou HERO Keikaku" (The Hero For All Mankind Plan).
The second will feature a brand new story centering on Shiko and Moena.
[Source: Anime News Network]