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.
Administer and Third Selection
Prison Lock and Grimoire Security
Magus and Alchemist
Labyrinth and Magic Gunner
Dream World and Sub-Administer
Dark Mage and Big Event
Lost Technica and Problem Solving
Study and Holiday
Bible Battle and Sweet Memory
Game Master and Satan Slave
Fianna Knights and Sisters
Criminal Girl and His World
Baka and Test: Summon the Beasts
The World God Only Knows
The Everyday Tales of a Cat God
Minami-ke
Hayate the Combat Butler
Fist of the North Star
Go! Anpanman
Monsuno
Baki the Grappler
KochiKame
Cyborg 009
Legend of the Galactic Heroes
Pilot Candidate
Boys Over Flowers
MoonPhase
Wind: A Breath of Heart
The King of Fighters: Another Day
GRANBELM
Given
Astra Lost in Space