The girls and their classmates gathered for the Doll Festival got drunk on amazake, and the usually well-mannered girls suddenly changed. A friend of their father entered the bathroom while someone was bathing, started touching his crotch, couldn't control his excitement, and had SEX. Two others barged into their brother's room and had a competition with him over who could give better simultaneous blowjobs. The drunkenness didn't wear off, and their excitement kept rising, leading to a 4P involving their father...
