A girl, Miku, suddenly appears in front of a middle-aged man, Kakei.He begins to live with his girlfriend, the daughter he had with his ex-wife, without any hope, but for the depressed middle-aged man, the sudden appearance of his daughter is nothing more than a means of paying for his monthly horse racing expenses.As these rough days continue, Okabe, a debt collector, comes to collect money.Okabe is suspicious of Kakei, who is living with a young woman, but Kakei makes a surprising proposal."...Okabe-san, how about this month's body?"
