In the past, Tukasa entered numerous fake marriages and divorces to steal money from loan sharks. He has many records of marriage and divorce on his family register. One day, Tukasa ,who is working for loan shark company โLast Finance,โ receives a phone call from a loan company. The loan company tells Tukasa that his wife on his family register borrowed money from them and ran away. As her husband, he is now liable for his wife's debt. Tukasa finds himself in a difficult situation. At that time, Tukasaโs boss Tadaomy assigns a new client to Tukasa. Tukasaโs new client is Mitsuo. Mitsuo takes care of jos mother with Alzheimerโs. He works as a contract employee for an air conditioner installer and is experiencing financial difficulties.