Yuri lives happily with her husband, Kimiya, who is often away on business trips and has no children. One day, she hears from her neighbor Akiko Miyashita that 'the couple are going to Europe.' Yuri envies the elegant Miyashita couple but decides to take it in stride and proposes to look after their only son, Takashi, at home. Then, on the day of, Takashi visits Yuri's house. Yuri's heart races alone because she has heard that Takashi is a 'virgin'…
