Yuka is a new soapland girl working at a popular married women's soapland. With no one to rely on and working around the clock, she is faced with lonely days when a young man named Sugiura comes to her. Sugiura is so innocent that he ejaculates just from foreplay and has no experience with women. "I want Yuka to be my first." Yuka is Kokoro by Sugiura's passionate gaze when he comes back to the store, and so he takes Kokoro, not as a soapland girl but as a woman. From then on, the relationship between the two gradually grows closer...