The Coven of Kamihama is a side story to Part III of Mitakihara Original and follows Cecilia Ambrosi as she travels to the neighbouring city of Kamihama, only to find it abandoned, save for a handful of rogue Puellae Magi known only as “the Coven”. Realizing that mastering their unique magic will be the only way to reckon with her own past, Cecilia sets out to learn their secrets, by force if needed.