Kaoruko married Takashi, a man she met at the restaurant where she worked. Takashi is divorced and has one son, Kenta, while Kaoruko is the mother of a child in her first marriage. However, Kaoruko is troubled as to how to interact with Kenta, who is now at a good age. Then, one day... Takashi is going to be away from home on a business trip overnight. Kaoruko, who wants to use this opportunity to become closer to Kenta, confronts him with a question she has had about Kenta...