After his parents' divorce, Kenji lived with his father and younger brother. His father remarried a woman named Mako who had been his subordinate, but he was assigned to work overseas, starting the mother-child life. Kenji, who was drawn to Mako's voluptuous and alluring breasts, inadvertently got an erection during their mixed bath. And Mako, whose husband was absent, also had unmet desires, responding to her stepson's vigorous sex drive. Then Kenji witnessed his younger brother cuddling up to Mako's breasts, finally losing control of his lust...＃班長P
