Kaori works as a teacher at 'Teito Seminar,' one of the nation's top cram schools. In her class at Teito, there was a troublemaker: Yuuma Okumura, who aspired to enter a private medical school. However, his grades were terrible, and he lacked motivation, causing Kaori much trouble. This was because his father was a major investor in Teito Seminar. Teachers were pressured to improve Yuuma's grades by any means necessary. Taking advantage of the situation, Yuuma would molest Kaori and force her into lewd special lessons…
