The anime adaptation of the SSS-Class Revival Hunter web novel and webtoon has added eight new voice actors to its roster, unveiled a second promotional video and confirmed the artists performing its ending theme. The announcements were posted on the series' official website on Sunday, following the anime's screening at New York Comic Con on Saturday evening.

The newly announced cast includes Takeo Ōtsuka as Gongja Kim, Satoshi Hino as the Sword Emperor, Toshiki Masuda as the Flame Emperor, Megumi Han as the Witch of the Black Dragon, Sayaka Kinoshita as Paladin, Risa Shimizu as Countess, Makoto Furukawa as Poisonous Viper, Natsumi Fujiwara as Inquisitor, Yuka Iguchi as Master Alchemist and Shunsuke Sakuya as Blade Saint. These actors join previously announced performers in the series.

Music composition duties will be shared by Ryo Kawasaki and Tomoyuki Kono, who are known for their work on titles such as To Your Eternity and Romantic Killer. The ending theme song will be performed by the musical groups THE SPELLBOUND and Boom Boom Satellites.

The series is slated to premiere in January on Fuji TV's +Ultra programming block. Distribution outside of Asia will be handled by Crunchyroll, which will stream the anime in regions including the Indian subcontinent, Indonesia, Singapore, the Philippines and Malaysia. Production is overseen by Studio fu, with Hiroaki Sakurai directing, Sayuri Ōba handling scriptwriting and Takahiro Yoshimatsu responsible for character design. HAYATE is listed as the series producer.

According to Crunchyroll's description, the narrative centers on a mysterious tower populated by monsters that has drawn numerous Hunters seeking fame and fortune. The protagonist, Gongja Kim, is an F-rank Hunter who initially envies the Flame Emperor, the top-ranked Hunter. His opportunity for advancement arises when he teams up with the Sword Emperor and acquires a rare S-rank skill, though the activation of this ability requires his death.

The original web novel was first released in November 2018, while the webtoon adaptation debuted in December 2020. Digital English releases of the webtoon are published by Tapas, and Ize Press is preparing a print edition. The web novel is also available in English through WuxiaWorld.

Sources include the SSS-Class Revival Hunter anime's official website and Comic Natalie.