As time goes by, the number of boarding students decreases, and in the end, only one Jisoo remains. He decides to hire a man for a difficult operation. Kyungjin and Junho came to see the flyer. Jisoo, who fell in love with Kyung-jin at the first meeting, seduces him and makes love at the boarding house, but accidentally sees Eun-ah and tries to change it to a female-only one. But Jun-ho seduces Eun-a to stay in the boarding house.