To Your Eternity poster

To Your Eternity

TV Show TV-14 2021 25m/ep 8.2 /10 Returning
NHK G A NHK G Original
Created by Shinzo Fujita, Yoshitoki Oima

An immortal entity arrives on Earth with no name or past and learns about life by taking on shapes it observes. At first it mimics simple forms, then becomes a human child to better understand people and language. Moving through different villages and eras, it forms fragile bonds with humans,... Read more

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Streaming availability last verified: February 03, 2026

About To Your Eternity

An immortal entity arrives on Earth with no name or past and learns about life by taking on shapes it observes. At first it mimics simple forms, then becomes a human child to better understand people and language. Moving through different villages and eras, it forms fragile bonds with humans, experiences deep loss, and gradually builds an identity out of memories and the faces it has known. The series follows that process, showing how contact with others changes something that was supposed to be endless and indifferent, and how small acts of care teach an immortal being what being human feels like. A mysterious, unseen observer occasionally sets the entity on new paths, leaving unanswered questions about purpose and creation.

To Your Eternity premiered in 2021 as an anime adaptation of Yoshitoki Oima's manga, with Shinzo Fujita credited among the creators. The English-subtitled and dubbed releases featured Reiji Kawashima, Kenjiro Tsuda, Tomori Kusunoki, and other notable voice actors, globally popular.

It hasn't been widely decorated with major industry awards, yet critics and viewers singled out its storytelling and character work in year-end lists and anime community polls. Any formal award mentions tend to be within genre-specific or fan-voted categories rather than mainstream film and television prizes, and remains widely discussed.

The show prompted strong online conversations about empathy, grief, and what memory means, and inspired a steady stream of fan art and essays. Quiet, sorrowful sequences became frequently shared highlights, and the series helped broaden discussions about emotional risk in mainstream shonen-style anime. Podcasts and essays picked up its themes.

Critical response has generally been positive, with an 8.2/10 audience score based on 297 votes reflecting strong fan approval. Reviewers praised its animation, melancholic tone, and willingness to linger on loss. Core themes include mortality, identity formed through relationships, compassion across cultures, and the cost of remembering, though opinions vary.

Details

Release Date
April 12, 2021
Episode Length
25m
Rating
TV-14
User Ratings
300 votes
Type
TV Series
Seasons
3
Episodes
62
Network
NHK G, NHK Educational TV
Status
Returning Series
Genres
Animation, Action & Adventure, Sci-Fi & Fantasy
Country
Japan
Studio
Brain's Base +4 more
External Links
View on IMDB

Official Trailer

Cast

Reiji Kawashima

Reiji Kawashima

Fushi (voice)

Kenjiro Tsuda

Kenjiro Tsuda

The Beholder (voice)

Tomori Kusunoki

Tomori Kusunoki

Mizuha (voice)

Megumi Han

Megumi Han

Yuki Aoki (voice)

Yumiri Hanamori

Yumiri Hanamori

Satoru (voice)

Aya Uchida

Aya Uchida

Hanna (voice)

Fukushi Ochiai

Fukushi Ochiai

Kazumu Tamaki (voice)

Chiharu Sawashiro

Chiharu Sawashiro

Suzuhiko Senba (voice)

Aoi Koga

Aoi Koga

Aiko (voice)

Shouto Kashii

Shouto Kashii

Kazumitsu (voice)

Created by: Shinzo Fujita, Yoshitoki Oima

Seasons (3 seasons, 62 episodes)

Season 1

Season 1

20 episodes - 2021

Season 2

Season 2

20 episodes - 2022

Season 3

Season 3

22 episodes - 2025

Frequently Asked Questions

To Your Eternity is available to stream on Crunchyroll. You can also rent or buy it on Apple iTunes, Google Play, Vudu, and Amazon Video.

Yes, To Your Eternity is available to stream on Crunchyroll.

Yes, you can buy on Apple iTunes, Google Play, Vudu, and Amazon Video.

To Your Eternity has 3 seasons with a total of 62 episodes.

With a rating of 8.2/10 from 300 viewers, To Your Eternity is highly recommended and considered excellent by most viewers.

An immortal entity arrives on Earth with no name or past and learns about life by taking on shapes it observes. At first it mimics simple forms, then becomes a human child to better understand people and language. Moving through different villages and eras, it forms fragile bonds with humans, exp...

To Your Eternity stars Reiji Kawashima, Kenjiro Tsuda, Tomori Kusunoki, Megumi Han, and Yumiri Hanamori.

To Your Eternity was created by Shinzo Fujita and Yoshitoki Oima.

To Your Eternity was released on April 12, 2021.

To Your Eternity is a Animation, Action & Adventure, and Sci-Fi & Fantasy series.

Yes. The TV anime adapts the manga by Yoshitoki Oima, with Shinzo Fujita also credited among the show's creators.

Reiji Kawashima voices Fushi, the immortal being who takes the form of a human boy and learns about life through his encounters and experiences.

Kenjiro Tsuda voices The Beholder, a recurring character who appears throughout Fushi's journey.

The show explores themes of mortality, growth, empathy, and what it means to be human as its immortal protagonist experiences the pains and joys of life. It often mixes tender moments with emotionally intense scenes.