While working as a female teacher and also serving as the swimming club advisor, Ai's only time to release her heart is after school activities in the night pool. Enveloped by the night's tranquility and wet swimwear, Ai feels a pleasant fatigue and does not want to return home to her husbandless house, so she masturbates in the changing room. However, this scene is witnessed by a delinquent student… The student can't stop himself from going wild over her ample breasts spilling out of her swimsuit. Ai didn't know then that the pleasure of being r○ped would come to dominate her nights…
