In a late-season announcement that has stirred excitement among fans, rising voice actor Hiiro Ishibashi has officially joined the cast of My Hero Academia‘s eighth and final season. Ishibashi will lend his voice to the enigmatic new character, Koki Terumoto, who made his debut in the anime’s 169th overall episode, which aired on Saturday.
The news was confirmed on Sunday via the official X/Twitter account for the My Hero Academia anime. With the highly anticipated final episode of the acclaimed series scheduled to air next Saturday, December 13, Ishibashi’s inclusion adds another layer of intrigue as the anime approaches its climactic conclusion.
A New Voice for the Final Arc: Koki Terumoto
Koki Terumoto, introduced as a “mysterious boy,” appeared in the penultimate episode, marking a significant addition to the already expansive roster of characters in My Hero Academia. While specific details about Koki Terumoto’s role in the overarching narrative remain to be fully unveiled, his late introduction suggests a pivotal, albeit brief, impact on the unfolding events as the heroes confront the final threats. The timing of his appearance comes as the series wraps up various character arcs and plot threads, preparing for its grand finale.
Hiiro Ishibashi’s Growing Career
Hiiro Ishibashi is a talented Japanese actor affiliated with Avex Pictures, born on August 24, 2004. Despite his young age, Ishibashi has already made a notable impact in the voice acting world with several prominent roles. He is widely recognized for starring as Miguel in the Japanese dub of Disney Pixar’s critically acclaimed film Coco (2017), where he showcased his impressive vocal range.
His other significant anime roles include:
- Umi in the 2019 film Children of the Sea.
- Yuga Ohdo, the main character in the popular anime series Yu-Gi-Oh! Sevens.
- Akatsuki Red in Mr. Villain’s Day Off.
- Taisei Onari in Shinkalion: Change the World.
Ishibashi’s diverse portfolio demonstrates his versatility and ability to embody a range of characters, making his addition to a major franchise like My Hero Academia a testament to his rising prominence in the industry.
The Climax of My Hero Academia’s “Final Season”
The eighth and “FINAL SEASON” of My Hero Academia premiered on October 4, 2025, continuing the epic saga based on Kohei Horikoshi’s manga. Produced by Studio Bones, the season has been intensely building towards the ultimate confrontation between the heroes, led by Izuku Midoriya, and the villains, particularly Tomura Shigaraki and All For One.
The series finale, episode 170, is slated to premiere on December 13, 2025, concluding the season with a total of 11 episodes. Crunchyroll has been streaming the anime globally outside of Asia, providing both subtitled and dubbed versions. The “FINAL SEASON” has promised to deliver an emotionally charged and action-packed conclusion to a series that has captivated audiences worldwide for nearly a decade. Ishibashi’s late but impactful entry as Koki Terumoto is set to be a memorable part of this heroic send-off.









