In this "romantic comedy but sometime serious magical school story," life as Arata Kasuga knows it is wiped out by a bizarre incident known as "Collapse Phenomenon," which causes worldwide destruction and takes his cousin Hijiri Kasuga to the next world. To resolve the "Collapse Phenomenon" and bring back Hijiri, Arata enrolls in the Royal Biblia Academy. Waiting in the school are seven beautiful female magic users — the Trinity Seven.
Yoshitsugu Matsuoka
Arata Kasuga (voice)
Yumi Hara
Lilith Asami (voice)
Ayane Sakura
Levi Kazama (voice)
Nao Toyama
Sherlock Lieselotte (voice)
Shin-ichiro Miki
Gakuenchou Biblia (voice)
Rie Murakawa
Yui Kurata (voice)
Yoko Hikasa
Mira Yaman (voice)
Aya Uchida
Arin Kannazuki (voice)
Chinatsu Akasaki
Ilia (voice)
Ryoka Yuzuki
Akio Fudou (voice)
Aya Suzaki
Selina Sherlock (voice)
Ayaka Fukuhara
Lugh (voice)
