: An aspiring mangaka who feels she lacks talent, she wants to become "special" and leave a lasting legacy.

A transfer student who discovers Kaoru's secret. She joins him to investigate the tunnel, seeking her own dream of becoming a manga artist.

: This is the primary home for the film in several regions like the US and Canada. They often offer a 7-day free trial

The Tunnel to Summer, the Exit of Goodbyes Natsu e no Tunnel, Sayonara no Deguchi