Junji, an erotic manga artist, is living with his girlfriend, Mariko. Today, he's feeling down after receiving harsh criticism from his editor. In a daze, he impulsively enters a soapland near the train station. There, he encounters Yuuka, a prostitute who turns out to be his high school classmate and, even more surprisingly, his first sexual partner. Junji is flustered, but unable to react to Yuuka's techniques…