Chiaki is a 19-year-old female college student. This time, we are introducing a man, and the female college student who shares a room with his girlfriend is suspected of being a slut. The rule is that if a third party is allowed into the room, they must inform each other, but there are clear signs of her having sex with a man, such as cigarette butts and semen-stained tissues... When we investigated her, we found out that she was a walking pussy female college student who had sex with every man she met, from her female friend's boyfriend to the investigator!