Itazura kaseifu: Ijimete shibatte

いたずら家政婦 いじめて縛って

Also known as 巨乳家政婦 内緒の裏メニュー, Kyonyū kasei-fu: Naisho no ura menu

Yuji, an erotic novelist, hires a housekeeper while his son and daughter-in-law, who live with him, are away on a trip. Upon seeing Mai, the housekeeper with enormous breasts, Yuji immediately begins teasing her using his novels as material...