Принадлежащий:Nakata and Tanihara are from the same hometown and moved to Tokyo at the same time. Gu Yuan is a salesman working in a real estate company with a cheerful and calm personality. Nakata works in the city government. He is a quiet person who works quietly and is relatively gloomy. The two met unexpectedly during the journey. When we reported on the current situation, Nakata mentioned that he and his wifes nightlife hasnt been going so well lately. After hearing such a story, Tanihara had an idea and invited the couple to his home and held a family gathering with the intention of exchanging lovers.