* Based on a light novel series by Nishino Katsumi, with illustrations by Koin.
Oyamada Kouta, a young first-year high school student moves from the country to the city and transfers to Kunpou High School. On his first day at his new school, a second-year female student named Minamoto Chizuru asks him to meet her alone in the music room. When he arrives, she tries to seduce…