On a spring day Munakata Ikujou visited an old temple to view a 1000 years old sakura tree. There Ikujou discovered a 3-year-old girl and adopted her as his own daughter. 16 years later, Sakurako has grown up to become a beautiful woman. Sakurako then has a fateful meeting with Takanashi Hiroto. Their pure love begin.
Towa lives in a peculiar sanatorium after committing suicide. Convalescing in sanatorium, she is informed that she has only 7 days to live. Isolated within their worlds, strange people live in this sanatorium and try to avoid making any contact with her. However, Claude a man who lost his power of speech feels sympathetic towards her and their every lovable things give true colors to the life and inspire Towa's honest desire for the life...