Voice actress Haruka Shiraishi has been officially cast as Nina, an assassin character, in the ongoing anime adaptation of Ao Tajima’s manga series, Hotel Inhumans. The announcement comes ahead of the broadcast of Episode 4, titled “Corpse Reviver,” which is set to feature the character’s debut.
The Hotel Inhumans anime, produced by Studio Bridge and directed by Tetsurō Amino, premiered in July 2025. Crunchyroll is simulcasting the drama series.
Haruka Shiraishi’s Role as Nina
Haruka Shiraishi will lend her voice to Nina, an assassin. The character is expected to appear prominently in the upcoming “Corpse Reviver” chapter, starting with Episode 4. While specific details about Nina’s personality or role within the assassins’ hotel remain to be fully revealed, her introduction adds another layer to the series’ intriguing cast of characters.
About Hotel Inhumans Anime Series
Premise and Setting
Hotel Inhumans centers on a unique establishment designed exclusively for assassins. The hotel boasts exceptional services, including fine dining, relaxation, entertainment, and essential provisions for its clientele, such as weapon procurement, identity concealment, and corpse disposal. The series follows the two concierges, Ikuro Hoshi and Sara Haizaki, who are dedicated to fulfilling their guests’ every request without question.
Production and Release
The anime adaptation of Hotel Inhumans was first announced on November 8, 2024. It is produced by Studio Bridge, with Tetsurō Amino directing and Shōji Yonemura handling series composition. Shingo Fujisaki is responsible for character designs, and Koharu of Charan-Po-Rantan composes the music. The series began airing on July 6, 2025, on TV Tokyo and its affiliates, as well as BS TV Tokyo. Each episode has a running time of approximately 23 minutes, and the first season is slated for 12 episodes.
Haruka Shiraishi’s Notable Works
Haruka Shiraishi is a prolific Japanese voice actress with a diverse range of roles across anime, video games, and film. Born on April 8, 1995, in Tokyo, she began her career as a child actress before transitioning into voice acting in 2011.
Some of her prominent anime roles include:
- Asirpa in Golden Kamuy
- Kirie Motoba in Himouto! Umaru-chan
- Rose Oriana in The Eminence in Shadow
- Fumino Furuhashi in We Never Learn
- Yuri Honjō in High-Rise Invasion
- Aiko Tachibana in A.I.C.O. -Incarnation-
Her casting in Hotel Inhumans as Nina further expands her extensive portfolio, bringing her distinctive voice to another highly anticipated series.