``It's just a face-to-face meeting, and I'll cooperate with you. It'll be good for you, too...'' Yuta, a stubborn friend, asks to borrow his wife Natsuo because he wants to fool his mother, who is pressing for an arranged marriage. Natsuo feels indebted to Yuta, who is indebted to her because of her work, and cannot deny her strong feelings, so Natsuo accompanies Yuta to his parents' house. She thought she would come back that day, but Yuta's wife contacted her and asked her to stay at her house for three or four days during the holidays at Yuta's mother's strong request. . She also seems to be sleeping in the same room as him...