Maso Mesu Soap de Aimashou!, 마조암컷소프에서 만납시다!, マゾメスソープで逢いましょう!
Maso Mesu Soap de Aimashou 2

Marina Hishimori, the revered captain of the swimming team, despises the male members for their crude tactics—yet fate forces her into an unthinkable bargain. When her cherished junior falls ill, the cure lies with the grandfather of her least favorite rival. Bound by a merciless “sex friend contract,” Marina surrenders her pride, submitting to degrading pleasure under his hands. Can she endure the entwined humiliation and ecstasy of her desperate sacrifice? (68 words)