Caste Heaven manga volume 6 features story and art by Chise Ogawa.

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?