Takeshi Kogahara

A young man who suffers from guilt related to his adored sister's death encounters her ghost in a haunted tunnel. He makes repeated visits to the tunnel and re-experiences the past.

After his caretaker leaves him for dark and lonely moments at home, elderly Koji remembers his late wife Saki and the time they spent watching snowfall together in a park. Beyond age and even death, the connection between the two is vivid and all-consuming.

A boy and a girl. They’re classmates. Their poolside conversations during swimming class linger in the boy's memories. The boy recalls their conversations one by one. This is a story about a boy and a time in his life that he will never forget.