The official website for the anime To Your Eternity has revealed the first trailer for the third season , as well as its voice , which includes actors from previous seasons, in addition to new names.
The manga of the same name by author Yoshitoki Ōima is the inspiration for the anime adaptation. The third season is being produced by Studio Drive (Kono Suba) in partnership with STUDIO MASSKET (Let You Down), and is scheduled to premiere in October 2025.
Check out the trailer below:
The production team made some changes to the crew.
The director of the second season, Kiyoko Sayama, is the chief director of the third season, and taking over her role is Sōta Yokote , who was an episode director for Komi Can't Communicate. Yokote is making his anime directorial debut
Returning from the first two seasons of the anime are: Shinzō Fujita as script supervisor, Koji Yabuno as character designer, Ryo Kawasaki as music composer, and Takeshi Takadera as sound director.
Meet the voice cast of the anime
Actors Reiji Kawashima and Kenjirō Tsuda return as the characters Fushi and The Observer , respectively.
Tomori Kusunoki , who voiced Hisame in the second season of the anime, will return in the new season as Mizuha . The character is a second-year high school student popular for her academic excellence and athletic abilities.
Megumi Han , who voiced Pie in the previous season, returns as Yūki Aoki , a first-year high school student and vice-president of the Occult Research Club.
Yumiri Hanamori is the new voice of the cast and will bring to life the mysterious boy named Satoru .
On the website, they released a promotional image featuring the voice actors and their respective characters. See below:

Synopsis of To Your Eternity
The story follows an unknown supernatural entity capable of assimilating dead creatures and transforming into them. Initially, it begins as a wolf, befriending a boy who lives alone in a frozen region. From then on, the creature begins to learn more about life and everything that involves it, such as feelings of loss, joy, sadness, and even anger. A moving story that begins with a farewell…
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Source: To Your Eternity anime website
