The boys’ school where the main character attends had a system to welcome trainees every year. And from some time ago, the rumor of “a student who had his first experience with a beautiful student” was whispered like a legend. The main character, Ryoichi, is a third-year student who is about to graduate. He’s already had two training sessions, so he’s a little fed up, but on the other hand, he’s never dreamed of romance, “this year …”. Even so, there are some who are vomiting their spirits. It is a bad group of Kato and others who have a relationship with the main character. Some teachers rebuke them openly without hesitation. Kanako Saeki, commonly known as “Madonna of the school”. What will happen to the days when there are trainees from this usual life?