A masochistic fetish has emerged. "I hope it's after school soon... I want to be trained harder..." One day, a beautiful girl Shuka, who was living an ordinary student life, sees a nude photo of a girl posted on the blackboard, and is attracted to her naughty appearance. Meanwhile, he hears a rumor from a classmate. "After School Training Club" - this school has such a secret club. Shuka, who has just discovered the world of bondage and training, has decided to apply to join the club herself...
