Arata Kasuga’s daily life is wiped out due to a strange event called the “Collapse Phenomenon” that takes his female cousin, Hiziri Kasuga, to the world after death. To bring back those who have disappeared due to the “Collapse Phenomenon,” Arata enrolls in the Royal Biblia Academy. But there he encounters seven beautiful girls named the Trinity Seven...

© Kenji Saito, Nao Akinori / Kadokawa Fujimi Shobo / Trinity Seven Production Committee