Chavvot

Chavvot is a children's book that appears multiple times throughout the anime. It is a crucial object in discovering Chiyuki's identity.

Plot
It is story of a boy named Jimmy who falls in love with a nameless girl, who he later on gives the name Chavvot.

History
She is only seen in a few flashblacks and Chiyuki's dream sequences, she was a friendly girl who enjoyed ice skating, she also appears to be deaf which spurs the young boy to try and convey his emotions to her in a way that words cannot.

It is revealed that Chiyuki was the little girl and it spurred her to go into ice skating.