In 2010, during a stay in San Diego, California, Japanese student Haruka Yamano (Noriko Aoyama) is involved in a car accident that breaks both of her legs and cutting her trip short and she returns to her home in Tokyo, Japan. Shortly after her return, Shigeyuki (Kazuyoshi Tsumura), her father, leaves for a business trip abroad in Singapore, leaving her with her 19-year-old, younger brother Koichi (Aoi Nakamura).