Forbidden Care: Takitsuba (GVH-722)

A stepfather and daughter-in-law's three-way vaginal pressure enhancement training ignites a murky, illicit affair! The husband, whose attempts always end prematurely, leads the daughter-in-law, Yuna, to suspect something is wrong with her body and seek advice from her stepfather. The stepfather, eager to see his grandson, responds promptly, examines Yuna's vagina, and suggests further training to increase vaginal pressure. Yuna's "tightness" rapidly increases, causing her husband to ejaculate immediately! Unable to satisfy her husband, Yuna ultimately turns to her stepfather for help…