The Hot Middle-Aged Lady Next Door. Yoko Masaki.

Ryuji, a college student of age, can't get his mind off Yoko, the voluptuous big-breasted housewife next door. He spends his days in a daze, having various fantasies about her voluptuous breasts and bursting hips. Then one day, Ryuji decides to bring some gifted pears to Yoko's house, where she's home alone because her husband is on a business trip. Yoko, who had already sensed Ryuji looking at her with lecherous eyes, opens her chest and provokes him!