At the academy's exorcist shop, Rin meets the shopkeeper's daughter, Shiemi Moriyama. Yukio examines Shiemi's legs, afflicted by a demon that dwells in Shiemi's garden. That night, the demon transforms into a flower and merges with Shiemi, prompting the twins to work together to destroy the demon. Inspired by their bravery, Shiemi enrolls in the academy.