Natsuki, 21, a female college student researching the history of brothels, visits an old wooden lodging house to do some research. The six-tatami room run by the landlady, Saran, 40, is a room for lewd lesbian sex, known as a "Chon room"! The moment they meet, they start kissing greedily. They lick each other's naked bodies and have crazy sex! A lesbian couple with a large age gap cums over and over again as they entwine on a rice cracker futon like a young girl and a mature woman!