The travel agency and her husband's child were highly compatible, and she indulged in a sexual encounter with her stepmother. (A scene from Rika ROE-105)

Rika marries a man with a child, and her relationship with her husband is fulfilling. However, her relationship with her stepson, Yuuki, is strained due to his introverted nature. Just then, her husband proposes a trip to a hot spring, where they finally resolve their issues. However… Yuuki, who secretly harbors feelings for another woman, cannot resist and assaults her while she sleeps. Rika experiences intense arousal from the youthful and forceful caresses, and during intercourse—a time she feels an unparalleled connection with her husband—her body instinctively craves his penis and experiences discomfort…