The Yamano family lives in a secluded home in a remote Tokyo residential area. Their 27-year-old daughter Haruka suffered a compound fracture in a car accident while traveling in America. Haruka returns home in a wheelchair.
There to meet her is her younger brother 19-year-old Koichi, her younger brother. Their father is away from the Yamano resident due to a business trip abroad. Koichi is left to take care of his sister
