University student Lumina continues to work part-time jobs without being able to find employment, and makes fun of the gloomy guy who doesn't have a girlfriend. Although the gloomy guy feels resentful towards Lumina, his sexuality is resonated with her good figure... He masturbates using her clothes as a stimulant, but unfortunately he is found out. After being scolded more harshly than usual, the gloomy guy becomes enraged and attacks Lumina, and starts a gangbang in front of her boyfriend who has come to see him out of concern. KM Produce Co., Ltd.