Momo, a hardworking daughter-in-law who takes care of her stepfather while working, suffers from back pain due to daily fatigue. Her stepfather, a former masseur, gives her a massage, but his cunning technique unintentionally stimulates not only the knots in Momo's body but also her uterus… The uterine orgasm that her husband can't provide, the special relationship of caregiving… The two bodies in close contact can't stop their accelerating desire, and before she knows it, Momo's uterus craves intense intercourse with her stepfather… #班長P
