A real cohabitation documentary in which Mei Washio and a submissive man are left alone in a house for three days. While she brushes her teeth, cooks, takes a bath... Mei Washio plays with the submissive man whenever she can from morning to night in the course of her everyday life. Nipple licking, tit fucking, cowgirl position, and other slutty play are on parade! She is usually cheerful and friendly, but when she gets horny she turns into a devilish slut, which is incredibly erotic! 150 minutes of Mei Washio's natural expressions and slutty play to enjoy.