Keisuke Niijima has been completely lifeless since his beloved wife Takae passed away ten years ago, and is seen as a gloomy man by those around him. Although he wants his only daughter Mai to be happy, he does nothing but earn a living, and is sad, and even communication is difficult. The time between the two of them stopped for ten years. One day, a strange girl with a backpack visited the father and daughter. She said, "I am your wife who passed away ten years ago." The wife was reborn in this world. The stopped family time started again.