Pride, Envy, Wrath, Sloth, Greed, Gluttony, Lust－the sins laid upon 7 girls who rule over Biblia Academy. Arata has lost the world he once knew by "Collapse Phenomenon", and his cousin Hijiri disappeared into another world. To unravel this phenomenon, he decides to control these sins. ©Kenji Saito-Akinari Nao/KADOKAWA/Trinity7 project
