Rainbow Fireflies

Rainbow Fireflies (虹色ほたる～永遠の夏休み～, Niji-iro Hotaru: Eien no Natsu Yasumi; Rainbow-Colored Fireflies: The Eternal Summer Vacation) is a 2012 Japanese anime film directed by Kōnosuke Uda.^[1]

Rainbow Fireflies
Film poster advertising Niji-iro Hotaru: Eien no Natsu Yasumi in Japan
Directed by	Kōnosuke Uda
Screenplay by	Kei Kunii
Based on	Rainbow Fireflies by Masayuki Kawaguchi
Starring	Akashi Takei Ayumi Kimura
Cinematography	Masao Ōnuki
Music by	Masataka Matsutōya
Production company	Toei Animation
Release date	May 19, 2012 (2012-05-19) (Japan)
Running time	104 minutes
Country	Japan
Language	Japanese

Plot

On a hot summer day, a young boy named Yuta visits the dam where his father died one year ago. At the site he meets a mysterious old man. He gives the old man something to drink and later that day the old man saves him after slipping off the dam. He wakes up to discover he is 30 years in the past. There he meets a girl named Saeko, who loves fireflies, and also befriends a boy his age named Kenjo.

Voice cast

source:^[2]

• Akashi Takei as Yuta
• Ayumi Kimura as Saeko
• Osamu Nitta as Kenzo
• Takahiro Sakurai as Yuta (adult)
• Mamiko Noto as Saeko (adult)
• Kazuya Nakai as Kenzo (adult)
• Chikao Ohtsuka as Aotengu
• Tarô Ishida as Hotaru Ji