Series synopsis
To Your Eternity, also known as 不滅のあなたへ is a Japanese animation action & adventure sci-fi & fantasy television series that premiered on NHK G on April 12, 2021. It ended on March 28, 2026. It stars Reiji Kawashima, Kenjiro Tsuda, Eri Inagawa and Kazuyuki Okitsu.
An immortal being takes on the form of a human boy, wandering the earth and experiencing the pains and joys of life throughout his story without end.
Premise
An immortal being takes on the form of a human boy, wandering the earth and experiencing the pains and joys of life throughout his story without end.
Cast and characters
Leading cast
- Reiji Kawashima as Fushi (voice)
- Kenjiro Tsuda as The Beholder (voice)
- Eri Inagawa as Tonari (voice)
- Kazuyuki Okitsu as Sandel (voice)
- Rie Hikisaka as March (voice)
- Rikako Aikawa as Pioran (voice)
- Ryoko Shiraishi as Gugu (boy) (voice)
- Takehito Koyasu as Bonchien Nicoli la Tasty Peach Uralis (voice)
Supporting cast
- Akeno Watanabe as Todo / Iris (voice)
- Taku Yashiro as Gugu (young man) (voice)
- Atsushi Abe as Shin (voice)
- Manaka Iwami as Rean (voice)
- Kentaro Tone as Booze Man (voice)
- Mitsuaki Kanuka as Fen (voice)
- Hiroyuki Yoshino as Nixon (voice)
- Aya Uchida as Parona (voice)
- Mitsuru Miyamoto as Cylira (voice)
- Yu Kobayashi as Sandel (voice)
- Hidenari Ugaki as King of Uralis (voice)
- Nobuyuki Kobushi as Uroy (voice)
Guest cast
- Mitsuki Saiga as Hayase (voice)
- Ayaka Fukuhara as Sera (voice)
- Shizuka Itoh as Izumi (voice)
- Yuko Natsuyoshi as Mia (voice)
- Sachiko Okada as Lee's Grandmother (voice)
- Tatsuhiro Kikuchi as Valet (voice)
- Sayuri Hara as Penna (voice)
- Ryosuke Higa as Valet (voice)
- Masayuki Katou as March's Father (voice)
- Ayumi Tsunematsu as March's Mother (voice)
- Ryota Suzuki as City Man (voice)
- Sayuri Yahagi as Chan (voice)
Episodes
This series spans 4 seasons with 63 episodes.
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 0 | 1 | July 5, 2021 | July 5, 2021 |
| Season 1 | 20 | April 12, 2021 | August 30, 2021 |
| Season 2 | 20 | October 23, 2022 | March 12, 2023 |
| Season 3 | 22 | October 4, 2025 | March 28, 2026 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
Fushi's Journey Recap of episodes 1 to 12 of season 1. |
July 5, 2021 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
The Last One An orb is tossed upon the earth. It transforms to match its surrounding environment: first a rock, then moss, then a dying wolf. The wolf returns to its last remaining family, a boy living alone in a small home in the snow. |
April 12, 2021 |
| 2 |
A Rambunctious Girl The orb, having morphed into a boy, finds its way to Ninanna, where he is attacked. He is discovered by a girl, March, who may not achieve her goal of becoming a grown-up. |
April 19, 2021 |
| 3 |
A Small Evolution March is escorted to the altar to be sacrificed to Oniguma. Along the way, she tends to Fushi, who, despite having the body of a young man, doesn’t seem to have the mind of one. |
April 26, 2021 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
Infatuation Reborn Fushi, having spent several decades alone on an island, learns that a village was attacked by the Nokkers. |
October 23, 2022 |
| 2 |
Beating Will Things do not go well when Tonari tries to remove the Nokker from Hisame's arm. |
October 30, 2022 |
| 3 |
The Awaited Kahaku, the sixth of Hayase's descendants, introduces himself to Fushi. Much time has passed, and the Guardians have expanded their influence. |
November 6, 2022 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
Peaceful World Fushi awakens in a world where peace reigns. What new and old encounters await him? |
October 4, 2025 |
| 2 |
A Knot in the Soul Fushi begins his new life in the present day and begins to gather his former classmates at Yuki's house. |
October 11, 2025 |
| 3 |
Mizuha Mizuha is fed up with her everyday life and decides to run away. |
October 18, 2025 |
Production
Release
| Original network/platform | NHK G |
|---|---|
| First aired | April 12, 2021 |
| Last aired | March 28, 2026 |
| Runtime | 25 minutes |
| Status | Ended |
| Schedule | Saturday at 23:45:00 |