Based on the popular manga by Konoshiro Shinko featuring cool and emotionless characters, this live-action adaptation brings to life the class beauty "Mamiya-san." She was thought to be completely unaware of sexual matters until she started showing off her breasts during class! After school, she becomes even more aggressive, forcing him into passionate kisses while stroking his penis! On the second day, they finally get physically close... His hardened member refuses to go down despite his best efforts to maintain control. In the end, he gives in to Mamiya-san's relentless advances and succumbs to their physical relationship.