Yuka, a friend of the mother who decided to stay at the Kashiwagi household to watch a live performance by a popular Korean star. Junki, her son who has been admiring her since long ago, had been eagerly awaiting her arrival. That night, while taking a bath, Yuka, tipsy and in high spirits, entered the bathroom completely naked… Unable to contain his excitement from the sensation of being washed all over by Yuka, Junki impulsively kissed her. Of course, things didn't end there, and late at night, Junki sneaked into Yuka's bedroom…
