First air date: Apr 12, 2021
Episode duration: 00h 25m
Rating: (8.2) based on 283 votes
Status: In production Next episode: S03E02 - Oct 11, 2025
Seasons: 3
Episodes: 62
Starring: Reiji Kawashima, Kenjiro Tsuda, Tomori Kusunoki, Megumi Han, Yumiri Hanamori
Genre: Animation,
Action & Adventure,
Sci-Fi & Fantasy Trailer
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.