Kazuya lost his mother and has been living with his father. One day, when Kazuya returns home, he sees a sumptuous homemade meal and a young woman. I had heard the story, it was Miki, my father's dating partner. "Dad, I decided to remarry Miki-san," a young beauty who suddenly became her mother-in-law. ... It was inevitable that Kazuya would be conscious of Miki as a woman.