Rentaro, a grandma's child, lost his mother when he was a child, and his father moved all over Japan due to his work. He went to university in Tokyo, started living alone, and today he came back to his grandmother's house for the first time in a while. Eri, who lived alone after her grandfather passed away three years ago, was frustrated with her age. Such two people resumed after a long absence. Her frustrated Eri takes the body of her grandson Rentaro...
