"Please let me stay the night." A girl holding a handwritten cardboard sign at the station. "If you have nowhere to go... want to come to my place?" The beautiful girl follows without suspicion... It turns out "Rika-chan" ran away from home after fighting with her parents. After drinking together and loosening up a bit, things escalate to sex. This is a shared fuck room, so friends soon join in for 3P, then 4P orgy. Raw creampies, toy play, and non-stop sex until morning. She is completely turned into a sex slave...