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Yaruki Manman
やる気まんまん
Kazuma is the heir of the Shinno family, a powerful clan that controls the sex scene. However, the business is no longer profitable, so his father Shino sends him to a special sex-study to gain experience and learn the family trade.
During his training, Kazuma must follow a strict rule: he cannot ejaculate in front of any woman. If he fails, he will lose his right to inherit the family legacy. Surrounded by skilled and seductive Japanese geishas, he struggles to maintain his composure and complete the program before his willpower gives out.
