Nobumasa Tsuboi (Yo Oizumi) runs a small factory in a small town. He has a daughter Yoshimi Tsuboi (Riko Fukumoto) who suffers from a congenital heart disease. A doctor tells…

On July 27th, university student Aoi Hinata has an accident. When she wakes up, Aoi Hinata finds herself in a classroom from one week before the accident.

High school student Takumi lives with his two mothers in a beautiful house in Tokyo. Moving into a house across the street is Sora and her two fathers. One day…