Another summer has passed, and fall's arrival brings with it the excitement of the school's culture festival! It's fun event after fun event, with Karino and Azusa cosplaying, Kuze putting a band together, and Atsumu discovering his feminine side. But while everyone is enjoying themselves, third-year eccentric Eno is cooking up a dastardly plan! Just how long can Karino protect Azusa from someone so set on revenge? For mature audiences.