Ichika, who is secretly in love with a married teacher, can't help but get cozy with him at school. However, Ichika is seen by a teacher Ichika hates and is blackmailed. Ichika offers her body to her favorite teacher and even allows him to cum inside her. Yoshimura's blackmail continues to escalate, and he calls in his colleagues to join him in playing with Ichika body. Ichika has Ichika to continue to be embraced by Yoshimura for the sake of her favorite teacher, but gradually her body begins to feel the pleasure of sex...