Reiko neesan comes to Shota-kun's house selling cosmetics. The way she intently gazes at his back shows she's already captivated by his charm. Her voluptuous, three-dimensional body with huge breasts and a plump, round ass instantly ensnares anyone who sees her. Every time she visits again, Shota-kun touches her breasts and ass, takes baths together with her, plays games, and forcefully makes her suck him off, piling up various intimate experiences. Then, gently letting the exhausted neesan rest, he wraps her in warmth—deepening his feelings for her all the while.