That JAV

Mari is a schoolgirl in the midst of puberty. Mari's parents are a couple of well-known mandarin ducks in the neighborhood. Every night they engage in an intense night of married life. They have sex, blow jobs, hand jobs, and toy torture...but the sounds and sounds of their obscenities are all being kept from their daughter in the next room, which is just one wall away. Mari, who is at an age when she is curious about sex, can't help but wonder what the hell is going on in the next room. One day, Mari finally can't resist and peeks into her parents' bedroom...