The highly anticipated third season of the anime series To Your Eternity has released a new promotional video, offering fans a fresh glimpse into the upcoming “Modern Arc.” The trailer also unveils the opening theme song, “Fumetsu no Anata” by the popular techno-pop unit Perfume, and introduces several new voice cast members. The season is set to premiere in Japan on October 4, 2025.
Crunchyroll will stream the new season internationally, making it accessible to fans in North America, Central America, South America, Europe, Africa, Oceania, the Middle East, CIS, the Indian Subcontinent, and Southeast Asia.
Perfume Delivers Opening Theme “Fumetsu no Anata”
The latest promotional video for To Your Eternity Season 3 prominently features Perfume’s new song, “Fumetsu no Anata” (“You who are immortal”), which will serve as the opening theme. The song was specifically composed and arranged for the anime by Perfume’s long-time sound producer, Yasutaka Nakata. The group members, who are reportedly fans of the manga and anime, expressed their excitement about contributing to the series. This collaboration adds a unique musical layer to the emotional depth of the series, which explores profound themes of life, death, and reincarnation.
New Voices Join the Ensemble Cast
Alongside the new trailer and theme song, the production team has announced four additional cast members who will bring fresh characters to life in the upcoming season. These include:
- Rumi Okubo as Mimori, a young girl crucial to unraveling the enemy’s mystery.
- Shizuka Ito as Izumi, Mizuha’s mother.
- Shinichiro Miki as Itsuki, Mizuha’s father.
- Tasuku Hatanaka as Hirotoshi, Mimori’s stepbrother.
These new additions join a robust cast of returning voice actors, ensuring continuity for beloved characters.
Reprising and Evolving Roles
Reiji Kawashima will return to voice the protagonist, Fushi, while Kenjirō Tsuda reprises his role as The Observer.
Several cast members are also returning in new or expanded roles for the “Modern Arc”:
- Tomori Kusunoki, who voiced Hisame in Season 2, will now play Mizuha, a popular and talented second-year middle schooler.
- Megumi Han, previously Torta in Season 2, returns as Yūki Aoki, a first-year student and vice-president of the Occult Research Club.
- Yumiri Hanamori will voice the mysterious new character, Satoru.
Other previously announced new cast members include Aoi Koga as Aiko, Fukushi Ochiai as Tamaki Kazumu, Aya Uchida as Hanna, Chiharu Sawashiro as Senba Suzuhiko, and Shouto Kashii as Kazumitsu.
Production Details and Creative Team
The third season, which will cover the “Modern Arc” (also referred to as the “This World” arc) of Yoshitoki Ōima’s acclaimed manga, promises to continue Fushi’s journey in contemporary settings.
The animation production is handled by Drive and STUDIO MASSKET. Sota Yokote is taking over as director for Season 3, while Season 2 director Kiyoko Sayama will serve as chief director, ensuring a consistent vision for the series.
Key returning staff members include:
- Shinzo Fujita as series composer.
- Koji Yabuno for character design.
- Ryo Kawasaki as music composer.
- Takeshi Takadera as sound director.
The third season is slated for 22 episodes.
Premiere and Streaming Information
To Your Eternity Season 3 is scheduled to premiere in Japan on October 4, 2025, airing on the NHK General channel. Global audiences can look forward to streaming the series on Crunchyroll, continuing the platform’s coverage of the anime. The first season premiered in April 2021, followed by the second season in October 2022.
