By force of circumstances, a 30-year-old single man with a full-time job suddenly starts raising a 6-year-old girl. While running each other ragged, the two of them gradually grow into a "family".
A dying girl meets a nonchalant boy who found out her secret. She decided to fulfill her bucket list with none-other-than the boy who couldn't care less about the world.
Takumi and his six-year-old son, Yuji, haven't come to terms with their wife and mother's death. One day, they meet a woman with an uncanny resemblance to her sheltering from the rain near their home.