In 20xx, to address serious social issues such as global warming and declining birth rates, the Japanese government forcibly established the "National Nude Day in Japan." This policy quickly proved effective, helping to curb rising temperatures and stimulating youth sexual desire. However, behind the scenes, a chain of extreme sex crimes and incidents began to unfold, exposing the dark side of society. Assaults at convenience stores, abnormal sexual services in restaurants, and various other problems came to light.