Hiroko attends the memorial service of her fiancé, Itsuki Fujii, who died in a mountain-climbing incident. Although Itsuki's mother says that their old house is gone, Hiroko records the address listed under his name in his yearbook and sends him a letter. Surprisingly, she receives a reply, and discovers it came from his old classmate, a girl who also happens to be called Itsuki Fujii.

Bunjaku Han
Female Itsuki's Mother

Katsuyuki Shinohara
Female Itsuki's Grandfather

Mariko Kaga
Male Itsuki's Mother

Keiichi Suzuki
Male Itsuki's Father