The Harvest Festival is approaching and twin Black Dog prefects Kocho and Teria are in charge of discipline. Inuzuka invites Persia and she agrees but refuses to dress as Julio in case Maru spots her. Inuzuka meets Kocho and Teria who reveal they almost heard him talking to Persia. They search Inuzuka's room and find Persia's rosary. They conclude the rosary has a secret meaning and decide to find out what. At the festival Persia and Inuzuka meet up but are forced to hide from the twins...