Love Notes / Soushisouai Note The Animation

The main character Takase-kun is learning to swim and is taught by the head of the swimming club, Minagawa. By a fortunate coincidence, Takase returns to the locker room for his glasses and finds Minagawa-san completely naked. Without being embarrassed for a moment, she sets him a condition he cannot refuse, because the price she will pay is her sexual body.