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.
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Reiji Kawashima
Fushi (voice)
Kenjiro Tsuda
The Beholder (voice)
Tomori Kusunoki
Mizuha (voice)
Megumi Han
Yuki Aoki (voice)
Yumiri Hanamori
Satoru (voice)
Aya Uchida
Hanna (voice)
Fukushi Ochiai
Kazumu Tamaki (voice)
Chiharu Sawashiro
Suzuhiko Senba (voice)
Aoi Koga
Aiko (voice)
Shouto Kashii
Kazumitsu (voice)
All 40 episodes plotted by IMDb rating
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20 episodes • 2021Avg: 8.6Golden Era
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | The Last One | Apr 12, 2021 | 9.5 |
| 2 | A Rambunctious Girl | Apr 19, 2021 | 8.3 |
| 3 | A Small Evolution | Apr 26, 2021 | 8.8 |
| 4 | A Large Vessel | May 3, 2021 | 8.2 |
| 5 | Those Who Follow | May 10, 2021 | 9.5 |
| 6 | Our Goals | May 17, 2021 | 8.6 |
| 7 | The Boy Who Wants to Change | May 24, 2021 | 8.4 |
| 8 | Monster Brothers | May 31, 2021 | 8.9 |
| 9 | Deep Memories | Jun 7, 2021 | 8.3 |
| 10 | New Family | Jun 14, 2021 | 8.7 |
| 11 | Gift From the Past | Jun 21, 2021 | 9.0 |
| 12 | Awakening | Jun 28, 2021 | 9.7 |
| 13 | Aspiring to Go Higher | Jul 12, 2021 | 8.1 |
| 14 | Jananda, Island of Freedom | Jul 19, 2021 | 7.9 |
| 15 | A Girl Named Tonari | Jul 26, 2021 | 8.0 |
| 16 | The Children's Dreams | Aug 2, 2021 | 8.6 |
| 17 | The Defeated | Aug 9, 2021 | 7.7 |
| 18 | To Continue On | Aug 16, 2021 | 8.2 |
| 19 | Wandering Rage | Aug 23, 2021 | 8.4 |
| 20 | Echoes | Aug 30, 2021 | 9.3 |
20 episodes • 2022Avg: 7.9
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Infatuation Reborn | Oct 23, 2022 | 7.6 |
| 2 | Beating Will | Oct 30, 2022 | 7.7 |
| 3 | The Awaited | Nov 6, 2022 | 7.2 |
| 4 | The Young Man Who Can See | Nov 13, 2022 | 7.4 |
| 5 | The Holy Man's Voyage | Nov 20, 2022 | 7.7 |
| 6 | Heretics Betrayed | Nov 27, 2022 | 7.8 |
| 7 | Crime and Forgiveness | Dec 4, 2022 | 8.5 |
| 8 | Beyond Dreams | Dec 11, 2022 | 7.9 |
| 9 | Expanding Consciousness | Dec 18, 2022 | 7.7 |
| 10 | Resonance | Dec 25, 2022 | 8.0 |
| 11 | The Value of Flesh | Jan 8, 2023 | 7.4 |
| 12 | Secret Behind the Veil | Jan 15, 2023 | 7.5 |
| 13 | The Wise Man's Identity | Jan 22, 2023 | 7.5 |
| 14 | Morning of Rebirth | Jan 29, 2023 | 8.2 |
| 15 | The Self, Worn Down | Feb 5, 2023 | 8.0 |
| 16 | Three Eternal Warriors | Feb 12, 2023 | 8.0 |
| 17 | What You Want to Protect | Feb 19, 2023 | 8.6 |
| 18 | Death of the Deathless | Feb 26, 2023 | 8.6 |
| 19 | And Then, Dawn | Mar 5, 2023 | 8.4 |
| 20 | End of an Era | Mar 12, 2023 | 8.7 |
22 episodes • 2025
| # | Episode | Air Date | Rating |
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