Ikechan to Boku: A Japanese Fantasy Drama Film

Ikechan to Boku, released internationally as Good Bye, My Secret Friend, is a 2009 Japanese fantasy drama film. The movie is based on the picture book by manga artist Rieko Saibara. It marks the feature film directorial debut of commercial director Toshihiko Ohoka, who also wrote the screenplay.

Promotional image for Ikechan to Boku showing key artwork — Promotional image for Ikechan to Boku

Plot and Production

The story follows Yoshio, a nine-year-old boy portrayed by child actor Arashi Fukasawa, who is accompanied by a mysterious creature named Ike-chan, voiced by Yu Aoi. The creature can change color and shape at will, offering comfort to Yoshio when he faces bullying or fear. As Yoshio grows older, the creature gradually disappears from his sight. The production utilized CGI techniques to render the creature within a live-action setting.

Cast

The film features a large ensemble cast supporting the central narrative about childhood and growing up.

Actress Rie Tomosaka — Rie Tomosaka as Mitsuko

Actor Masato Hagiwara — Masato Hagiwara as Shigeyuki

Actress Misako Renbutsu — Misako Renbutsu as Misae

Actor Tokio Emoto — Tokio Emoto as Tetsu

Arashi Fukasawa as Yoshio
Rie Tomosaka as Mitsuko
Masato Hagiwara as Shigeyuki
Misako Renbutsu as Misae
Tokio Emoto as Tetsu
Yu Aoi as Narration