Mazome Soap de Aimashou!

Marina Hishimori is the proud captain of the school swimming club. Sharp, intelligent, and skilled in martial arts, she commands deep respect from her juniors as an outstanding coach. Perfection defined, she openly despises the male club members who resort to cheap tactics just to secure a win. However, misfortune strikes when a cherished member of her club contracts an incurable illness.

The only doctor capable of treating this rare condition happens to be the grandfather of a male member Marina utterly detests. To cover the astronomical treatment costs, Hishimori is forced to sign a humiliating physical contract. Can the proud captain survive the traps of this shameful agreement, or will her pride be completely stripped away?