To the Forest of Firefly Lights

Hotaru is rescued by a spirit when she gets lost in a forest as a child. The two become friends, despite the spirit revealing that he will disappear if he is ever touched by a human.

To the Forest of Firefly Lights is a 2011 drama fantasy movie directed by Takahiro Ômori, starring Kôki Uchiyama, Izumi Sawada, Shinpachi Tsuji. It holds an IMDb rating of 7.8/10 from 25,455 votes and runs 45m.