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This show is set at Honn0ji Academy, a fictional high school in post-apocalyptic Japan that is dominated by its fearsome student council, led by Satsuki Kiryuin. The council members wear special uniforms called Goku Uniforms that grant them superhuman abilities, which they use to oppress the rest of the school's students and staff.

This OVA served as the pilot for the TV series and came bundled with the special edition of manga "Kodomo no Jikan" Vol.4.

Failure Human Tsukune is unexpectedly put into a school for monsters, where he meets the cute vampire Moka. He later meets succubus, Kurumu, a young witch genius, Yukari, an ice girl, Mizore, and Ruby a second older Witch Adept, Ruby.

Minato Sahashi is extremely intelligent, yet due to his inability to cope under pressure has failed the college entrance exam twice. As a result he has been branded an idiot and loser by many.

After living with his father and learning martial arts in the mountains for 17 long years, Yoichi Karasuma is sent to a hectic city-life under his father’s orders. He is received by the Ikaruga household -- also a martial arts family -- which practices the Ukiha Divine Wind Style Swordplay.