ANKB-045 · Hot Spring Trip With a Curvy, Seductive, and Horny Big Sister

A curvy, busty big sister and her younger brother, who is head over heels for her and always rock-hard, go on a friendly hot spring trip together. The sister gently gives her curious brother a lecture on the female body, using her dynamite physique to engage in plenty of erotic activities. Driven by her overflowing maternal instincts, the brother's cock becomes harder than ever. The sister herself writhes in ecstasy from her brother's hard piston pounding. From the open-air bath to the inn's room, the sister reaches climax in various locations—this is exactly the kind of sister I wanted!