Incredible 4K footage! Actress Riko moves to the city to pursue her career and starts living alone. To cope with loneliness, she frequently visits her neighbor's room, eventually developing a sexual relationship. Whenever there's free time, she asks for older men's penises, calling them "Chinpo kashi te kudasai." The middle-aged man always fills her drinks with red liquid when she comes by. Their codependent relationship continues to unfold... Note that recording contents may vary depending on distribution method.