[Yurishima Shiro] Joushiki Kaihen Massage [MTL]

A determined sister, famed for her reputation and strength, asks her brother for a massage, positioning him as her supportive partner who caters to her needs. Their session quickly turns into a charged exchange where she frames sex as training and he wrestles with his role, leading to heated moments of choking, embarrassment, and urgent pleas for pregnancy. The story builds a tense, incestuous atmosphere that blends caretaking with erotic tension.