In a situation that should absolutely never happen... Yukari is introduced to her best friend Sora's college boyfriend. In reality, he was Sora's fuck buddy... At first, Yukari resists the unbelievable situation, but seeing her best friend being pleasured right in front of her eyes stimulates her curiosity... Yukari is thoroughly ravaged by two promiscuous men, driven to continuous climaxes. Forced to climax using toys!! Double penetration, violating both her ass and pussy!! The complete trilogy of a boyish beauty's sexual growth record is finally here...!