A casual daily life seems to be lovely with you. Sota Sasayama, a college student, is a bad boy that causes trouble because he speaks the truth in a harsh tone. Sota returns to his apartment after his homecoming and goes to give a souvenir to Natsu-san, the landlord who he has a debted. The man who came out was his grandson, who spoke as a representative of the landlord. Sota takes over as a housekeeper because he live in the streets. At first, Sota thinks of Dou as a "strange person", but he begins to become more and more concerned about Dou, who accepts the truth in a straightforward manner. A college student who is just right and a landlord who has zero livelihood, a love story under one roof.