If you put up with it, your heart will rot!

Masayoshi Hayakawa (Joe Odagiri) is stunned by the girl Kokoro Osawa (Hana Sugisaki) who suddenly rushes into the house and the mysterious old man Hidezo Tokaibayashi (Tatsuya Fuji). Kokoro presented a 14-year-old photo weekly magazine and diary with justice and his mother, and complained that he was a daughter, but now the mother leaves the house and cannot pay her rent. Talk about being kicked out of the apartment. He threatens to sue the police for the abandonment of the guardian for justice trying to escape. Meanwhile, manager Kosuke Miki (Yusuke Santamaria) came to the home of justice. Miki is confused by the existence of Kokoro, Hidezo, Mizuki Matsuno (Ayane Omori), who also calls her daughter, and her younger brother, Riku (Kanata Fujimoto).
Miki was taking the job of a commercial song and came to convey it to justice. Justice, who is not motivated to hear that it is a commercial for a zoo, has Miki sign a new contract with the office that he will not pay his salary unless he works and that he will also drive out the house that is a company house, and forced him to accept it. ..
While the song had to be completed by the next day, a large amount of luggage from Mizuki and Riku arrived at the house, and justice was busy going to elementary school for the transfer procedure. Meanwhile, Kokoro was looking for a part-time job. On the way home from school, the justices who saw the heart in the city began to follow. My heart was heading ...
Akira Mizushima (Tortoise Matsumoto) and Asako (Nene Otsuka), who heard from Hidezo who was in the store that they would take over their hearts, call justice over the phone.