The official website for the upcoming television anime adaptation of Firehead and YahaKo’s light novel series, “A Wild Last Boss Appeared!”, has revealed an expanded cast and additional staff members. Furthermore, fans can now access a limited-time stream of the first 174 seconds of the anime’s inaugural episode. The series is slated to premiere in October 2025.
New Cast Members Join the Ranks
Several prominent voice actors have been added to the ensemble, bringing to life key characters within the “Twelve Heavenly Stars.” Shunsuke Takeuchi, Tomoaki Maeno, Daisuke Hirakawa, and Satomi Akesaka are among the newly announced cast members.
Previously announced cast members include Ami Koshimizu as Lufas Maphaahl, the titular “Last Boss,” and Yuri Usui as Dina. The “Twelve Heavenly Stars” will feature:
- Yukina Shuto as Aries
- Hisako Tojo as Libra
- Naoya Uchida as Aigokeros
- Mika Kanai as Parthenos
- Kokoro Omori as Virgo
These characters, along with Lufas, are featured in a new key visual for the anime.
Expanded Production Team Detailed
The production staff for “A Wild Last Boss Appeared!” sees the inclusion of more talents to bring the world of Exgate Online to life. The anime is being directed by Yuya Horiuchi at Studio WAO World. Kazuyuki Fudeyasu is overseeing the series scripts. Maiko Ebisawa is responsible for character designs, with Takashi Kobayashi and Shota Ueno serving as sub-character designers. WOWMAX is producing the anime alongside NBC Universal.
Exclusive Early Look at Episode One
In an exciting development for anticipating viewers, the first two minutes of the anime’s premiere episode are now available for a limited-time stream on the official website. This preview offers a glimpse into the animation style and initial narrative of the series, which is set to debut in October 2025.
Series Background
“A Wild Last Boss Appeared!” (Yasei no Rasu Bosu ga Arawareta) is based on the light novel series written by Firehead and illustrated by YahaKo. The story originated on the Shosetsuka ni Naro website in 2015 and concluded in 2017 for the web novel, with the print edition ending in April 2019. A manga adaptation by Tsubasa Hazuki began serialization in 2017 and is currently ongoing. J-Novel Club has licensed both the light novel and manga in English.
The narrative centers around a man who awakens in the body of his massively multiplayer online (MMO) game character, Lufas Maphaahl—The Black-Winged Tyrant, Great Conqueror, and leader of the Twelve Heavenly Stars—200 years after her defeat in a player-made event within the game, Exgate Online. Trapped in her formidable body, Lufas must journey through a world still haunted by her fearsome legacy, seeking answers, potential allies, and confronting the monsters unleashed in the wake of her “death.”
