On the outskirts of Tokyo stands Hachimitsu Private Academy, an all-girls boarding school for elite young women. But as the new school year rolls around, one tradition is going out the window: For the first time in the school's long history, boys are being allowed to enroll. On the first day of school, though, it turns out only five boys have made the cut. Thrilled by this discovery, these young men's adolescent hearts leap with joy at the thought of being surrounded by all those girls, but little do the five boys suspect the shocking fate that awaits them... 
(Source: Yen Press) 
Notes: 
- Includes 1 extra chapter and the epilogue. 
- Won the Kodansha Manga Award 2013 for best general manga.

Hachimitsu Private Academy was a revered and elite all-girls' boarding school on the outskirts of Tokyo...once upon a time. But with the new school year comes a revision to school policy: Boys are to be admitted into the student body for the first time ever. But on his first day at Hachimitsu, Kiyoshi Fujino discovers that he's one of only five boys enrolled at the school. Their numbers overwhelmed by the thousand girls in the student body, is it heaven or hell that awaits these five (un)fortunates?!. 
 
(Source: Anime News Network)

Unaired OVA bundled with the 20th volume of the Prison School manga, adapting the "Mad Wax" arc.

Actions speak louder than words in this spin-off of the absurd and raunchy Prison School! With lovingly detailed art by ReDrop, no task is too small (and no shirt too big) for Meiko Shiraki, the domineering yet kind vice president of the Shadow Student Council!
 
(Source: Yen Press)

Shadow hand that spreads depravity around the world, we call them archvillains! World crisis, religious conflict, territorial dispute, information control, ero-manga regulations... They are at the root of every major social problem(probably)! This is a story about a dreadful institution, "School of Supreme Evil" that raises archvillains and a police investigator who infiltrated it.

Hanamura's manga charts how the anime Prison School came together under the helm of director "Crazy Boy" Tsutomu Mizushima, and shows the production committee's raucous discussions over important details like the color of Meiko's panties or the sound effects in Gakuto's defecation scene. The anime's main voice actors—Hiroshi Kamiya, Katsuyuki Konishi, Kenichi Suzumura, Daisuke Namikawa, and Kazuyuki Okitsu—also play supporting roles.

 
(Source: Anime News Network)

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