A Wild Last Boss Appeared! Season 2 Anime Reveals September 26 Early Streaming Debut, More Cast in 2nd Promo Video
The official website for the television anime of Firehead and YahaKo's A Wild Last Boss Appeared! light novel series revealed a second promotional video, more cast, September 26 early streaming debut, and ending theme song artist on Friday for the show's second season.
The above video reveals and previews Chakura's ending theme song "Yurete Skirt" (Swaying Skirt).
The new season will first debut on the ABEMA and U-NEXT streaming services on September 26 at 10:30 p.m., before airing on TV starting on October 3 at 10:30 p.m. on Tokyo MX. The series will air on BS Asahi and Kansai TV starting on October 4.
New cast members include:
Akio Ōtsuka as Leon

Atsushi Miyauchi as Sagittarius

Shūhei Sakaguchi as Melcrius


Previously announced new cast for the second season includes:
- Ryōta Suzuki as Karkinos
- Chiaki Takahashi as Scorpius
- Takahiro Sakurai as Castor
- Shinpachi Tsuji as Mizar
- Momoko Seto as Mass-Produced Libra
- Yūichirō Umehara as Terra
- M.A.O as Luna
Yūya Horiuchi returns to direct the second season at the studio Wao World, and Kazuyuki Fudeyasu is again in charge of the series scripts. The first season's character designer Maiko Ebisawa returns, but the first season's episode chief animation directors Tōko Nakamura, Takashi Kobayashi, Shōta Ueno, Mamiko Mizutani, and Takahiro Miura are also designing characters for the new season, along with new character designer Akiko Satō.
Additional returning staff members include:
- Color Key Artist: Tomoko Kohioki
- Art Director: Yukari Yasuda
- Compositing Director of Photography: Norimasa Teramoto
- Editing: Rina Koguchi
- Sound Director: Sōichirō Kubo
- Sound Production: Tohokushinsha Film Corporation
- Music: TECHNOBOYS PULCRAFT GREEN-FUND
Rock band Suspended 4th performs the opening theme song "Melodic Impact."
The staff describes the anime:
In the year 2800 of the Mizgard calendar, Rufus Mafarl — feared as the Black-Winged Conqueror — faces his final battle against the heroes known as the Seven Heroes. After an intense fight, his reign of domination comes to an end. Though peace seemed to have returned with his sealing, the balance of power collapses, leaving the world threatened by the devilfolk.200 years later — in a desperate attempt to fight back, humanity summons a new hero. But instead, the overlord Lufas awakens from his long seal!But peace was short-lived, as the collapse of the power balance gave rise to a new threat—devilfolk.
The first season initially streamed on ABEMA and U-NEXT in September 2025, and then aired on Tokyo MX, BS Asahi, and Kansai TV in October 2025.
Firehead and YahaKo launched A Wild Last Boss Appeared! (Yasei no Last Boss ga Arawareta!) story on the Shōsetsuka ni Narō (Let's Be Novelists) website in 2015, and the series ended in 2017. Earth Star Entertainment published the ninth and final light novel volume in print in April 2019. J-Novel Club released the novel series digitally in English.
Manga artist Tsubasa Hazuki launched a manga adaptation on the Comic Earth Star manga website in 2017. J-Novel Club is also publishing the manga in English. The book franchise has 1.4 million copies in circulation.
Sources: A Wild Last Boss Appeared! anime's website, Comic Natalie
KioskNews shows a cleaned-up reading view extracted from the publisher’s page — the original always lives on their site, not ours.