My mother's friend

Jun's son is surprised by the sudden visit of his mother's friend, Chisato. She is frustrated by the adult sexiness she exudes, but she tries to suppress herself somehow... Chisato, who felt a sense of love due to her pure, single-minded feelings, secretly tells herself that it's only one night long and has a secret relationship. The next day, she can't hold back and asks Jun to stop, begging for "one more," but is swayed by the young man's intensity. However, the brief meeting will eventually come to an end...