The Boy Inside poster
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The Boy Inside

6.820121h 24mMovieComedy

On the night of Mikihiko's 18th birthday, Mikihiko thinks of childhood friend Morio. Morio has been in vegetative state since the age of 6 after being involved in an accident.One day, Moria awakens from his vegetative state. Morio still has the mind of a 6-year-old.

DirectorTetsu Maeda
WritersNaito Yamada·Tetsu Maeda
ProducersShûji Danzen·Yoshihiro Suzuki

Where to watch

Not available in United States
Streaming in 1 other country

The Boy Inside isn't on any streaming service in United States right now, but it's available in Japan. Streaming rights are licensed per country.

Cast · Directed by Tetsu Maeda

MSMasaki Suda
Masaki Suda
Morio
TMTori Matsuzaka
Tori Matsuzaka
Mikihiko
HAHiroki Aiba
Hiroki Aiba
Tomonari
FNFumi Nikaido
Fumi Nikaido
Kie
MNMasataka Nakagauchi
Masataka Nakagauchi
Jun
MMMiyuki Matsuda
Miyuki Matsuda
Keiko Mitsui
SM
Shunsuke Murata
Shinji
RU
Ryuusei Ueda
Takumi
KAKeito Aoki
Keito Aoki
Akira
KNKeita Ninomiya
Keita Ninomiya
Morio (young)
KF
Kenshin Fujita
Mikihiko (young)
AK
Arito Kanke
Tomonari (young)

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The Boy Inside — streaming FAQ

Which OTT platform streams The Boy Inside?

The Boy Inside isn't on any streaming service in United States yet, but it's available in Japan. Streaming rights differ by country — switch your country in the header to see where.

Is The Boy Inside on Netflix?

No, The Boy Inside is not on Netflix in United States as of October 2026.

Is The Boy Inside on Amazon Prime Video?

No, The Boy Inside isn't on Amazon Prime Video in United States right now.

Where can I watch The Boy Inside for free?

The Boy Inside isn't streaming in United States yet, so there's no way to watch it free at the moment.