Following its premiere on October 4, 2025, the hit anime series "To Your Eternity Season 3" has released new story details and teaser stills for its upcoming 15th episode, "Leaving Alone."
<The following content is quoted from the official announcement>
Episode 15: "Leaving Alone"
Synopsis
Will his immortal companions eventually leave him behind? Haunted by the fear of an inevitable parting, Fushi suddenly begins acting out in an attempt to be "useful" to everyone. As Fushi grows disgusted with his own desperate people-pleasing, Bon begins to tell a story. He speaks of the path the companions walked 500 years ago in Renril, after Fushi fell into a deep slumber to annihilate the Nokkers. Meanwhile, the day of a certain departure draws near.
About "To Your Eternity Season 3"
Synopsis
Fushi, the immortal being, once again faces a grave challenge. Having triumphed over the destructive Nokkers and expanded his protective influence across centuries, he believed a new era of peace had dawned. The modern world, with its comforts and new connections, seemed to offer him a chance at happiness.
However, an insidious threat re-emerges: an ancient enemy that exploits the vulnerabilities within human hearts. Adding to Fushi's burgeoning challenges is the looming revelation of The Beholder's true intentions, the entity who created him.
A momentous decision awaits Fushi as he confronts these new trials. The story of "The Modern Era" is about to unveil the next chapter in the immortal Fushi's journey.
Cast
Fushi: Reiji Kawashima
Mizuha: Tomori Kusunoki
Satoru: Yumiri Hanamori
Aoki Yuki: Megumi Han
Hanna: Aya Uchida
Tamaki Kazumu: Fukushi Ochiai
Semba Suzuhiko: Chiharu Sawashiro
Fuuna: Riko Aono
Nagisa: Yui Kondo
Saki: Hikaru Tono
Kasabe: Sachi Kokuryu
Aiko: Aoi Koga
Kazumitsu: Shoto Kashii
Izumi: Sizuka Ito
Itsuki: Shinichiro Miki
Mimori: Rumi Okubo
Hirotoshi: Yu Hatanaka
Bonchien Nicoli la Tasty Peach Uralis: Takehito Koyasu
March: Rie Hikisaka
Gugu: Taku Yashiro
Tonari: Eri Inagawa
Echo: Ryo Hirohashi
Kai Renard Rawle: Yasuyuki Kase
Hayro Rich: Kaito Ishikawa
Messar Robin Bastar: Eiji Miyashita
The Beholder: Kenjiro Tsuda
©Yoshitoki Oima,KODANSHA/To Your Eternity S3 Production Committee
© Animate Times
*Some parts of this text have been translated using machine translation
