A married woman named Mahiro returns home after her wedding ceremony feeling both happy and anxious. She drinks too much alcohol due to these emotions and ends up peeing herself inside a train car. Seeing this, a man named A becomes aroused and approaches Mahiro, taking advantage of her in various locations such as bathrooms, cars, and even at her own home. Despite her resistance, he continues to force her to consume more alcohol which leads to multiple orgasms through urination and squirting. In the end, she begs him to make her feel happy as well.