Yukari Kawahara (played by Masami Nagasawa), an OL of a large beverage company, and her boyfriend Kippei Koide (played by Issey Takahashi) fell in love at first sight. Life was originally peaceful, simple and happy, but everything was disrupted by sudden events. One day, Juping suddenly fainted due to subarachnoid hemorrhage, but was later taken to hospital by medical staff...