Mai Ayase, the eldest son of the Shiramizu family, became a transsexual due to excessive stress. However, the family's breadwinner is away all year round, and there is only one dick in this big house... Stepmother Koda Riri, lodger Yumi Kazama, and Yuria Hidaka flock to transsexual Mai Ayase's huge dick and have sex with him to their heart's content! Mai can't help but cum hard from the lustful mature women's exquisite blowjobs and their relentless cowgirl swings! Right after he cums, the mature women follow up with a handjob to make his huge dick cum again, resulting in a total of five intense ejaculations!