Kazuya has made his wife angry in a couple quarrel. When I was worried about my wife who had returned to her parents' house with anger, her sister Naoko decided to consult with me. Kazuya, who was at a loss because he couldn't find a clue to the solution, completely forgives Naoko, who is beautiful and caring. However, Naoko's real purpose was not to end the quarrel between the couple, but to eliminate frustration with Kazuya ...