TL;DR, Bones Film’s Yomi no Tsugai announced Kappei Yamaguchi as Hikaru Kagemori and Yoshiko Sakakibara as Kai. The TV anime premiered April 4 and lists Masahiro Andou directing and Noboru Takagi on series composition.

The official Yomi no Tsugai X account announced two new supporting voices: Kappei Yamaguchi as Hikaru Kagemori and Yoshiko Sakakibara as Kai. The update gives viewers a clear look at who is stepping in as fresh players and why the timing matters for the ongoing broadcast. The Yomi no Tsugai anime cast continues to expand alongside the spring run.

m. on Tokyo MX, BS11, and other stations. Bones Film produces the series with Masahiro Andou directing and Noboru Takagi handling series composition.

Character designer Nobuhiro Arai shapes the on-screen look, and Kenichiro Suehiro composes the score. The manga runs in Shounen Gangan and is published in English by Square Enix.

New cast added to Yomi no Tsugai

The series confirmed two supporting roles on Saturday through its official X account. Kappei Yamaguchi will voice Hikaru Kagemori, and Yoshiko Sakakibara will voice Kai. The announcement grows the Yomi no Tsugai anime cast as the story pushes into new territory on television.

The post clearly identified the actors and the characters they portray. The update landed midseason, which lines up with how the Daemons of the Shadow Realm anime has spaced new character reveals. Visibility for secondary figures often ramps up once early arcs establish the setting.

• Channel of record: the verified Yomi no Tsugai X account shared the news, not a third-party leak.
• Timing: posted on Saturday in Japan, consistent with the show’s weekly publicity rhythm.
• Credits: Kappei Yamaguchi is cast as Hikaru Kagemori, Yoshiko Sakakibara is cast as Kai.
• Status: this is Yomi no Tsugai additional cast, officially labeled as supporting roles during the current broadcast.
• Broadcast context: the anime premiered April 4 at 11:30 p.m. on Tokyo MX, BS11, and other stations.
• Alternate title: many listings use Daemons of the Shadow Realm for international coverage and episode guides.
• Catch up: the Daemons episode 6 recap helps place these roles within the unfolding arc.
• Why it matters: veteran actors can ground side characters that connect plotlines and keep tonal shifts balanced.

The official note centered on the two names and their role assignments. No change to primary billing was implied in the wording. Similar midseason credit drops commonly appear as new factions and locations enter the frame across the spring schedule.

Kappei Yamaguchi and Yoshiko Sakakibara’s roles in Yomi no Tsugai

Hikaru Kagemori is one of the series’ supporting figures, and the Hikaru Kagemori voice actor is Kappei Yamaguchi. The news post directly paired Yamaguchi with the role, highlighting his veteran status with a nod to InuYasha. This Kappei Yamaguchi Yomi no Tsugai credit adds a familiar voice to the expanding ensemble.

Kai is likewise introduced as a supporting presence, and the Kai voice actor is Yoshiko Sakakibara. The official account confirmed Sakakibara by name, referencing her work in Hellsing. The Yoshiko Sakakibara Yomi no Tsugai casting signals a seasoned performance style for a character positioned near ongoing conflicts.

• Role mapping: Hikaru Kagemori, voiced by Kappei Yamaguchi, is listed as a supporting character in the current run.
• Role mapping: Kai, voiced by Yoshiko Sakakibara, is likewise identified as a supporting role by the production.
• Credit format: the announcement presented each character followed by the actor, a standard industry pairing for clarity.
• Experience markers: Yamaguchi’s parenthetical credit cites InuYasha, signaling a long track record to viewers.
• Experience markers: Sakakibara’s note cites Hellsing, guiding audience recognition across generations of anime.
• Placement: both names slot into the show’s secondary bench, backing the core cast introduced at launch.
• Continuity: midseason casting reveals often prepare viewers for the next arc beats without summarizing plot specifics.
• Takeaway: two precise assignments, zero ambiguity, which helps credit readers and database trackers keep listings clean.

Yomi no Tsugai staff, studio and release details

Production is credited to Bones Film. Masahiro Andou directs with Noboru Takagi on series composition, as listed by the official materials. The Yomi no Tsugai April 4 premiere set the series on Tokyo MX, BS11, and additional stations at 11:30 p.m.

Character designs come from Nobuhiro Arai, and the music is by Kenichiro Suehiro. The anime adapts Hiromu Arakawa’s manga, which continues publication in Japan and in English through Square Enix. Broadcast and publication details arrive through official channels and publisher notes.

• Bones Film Yomi no Tsugai: studio handles animation production for the television series.
• Direction: Masahiro Andou leads the project, aligning with credits seen in official listings.
• Series composition: Noboru Takagi structures the scripts and episode flow for broadcast.
• Design: Nobuhiro Arai provides character designs that translate manga silhouettes to screen.
• Music: Kenichiro Suehiro composes the score that supports action and mood.
• Premiere specifics: April 4 at 11:30 p.m. on Tokyo MX, BS11, and other stations in Japan.
• Source manga: Hiromu Arakawa Yomi no Tsugai began serialization in Shounen Gangan in December 2021.
• Japanese volumes: Square Enix published volume 12 on March 12.
• English release: Square Enix licensed the manga in July 2022 and published volume 10 on April 7.
• Next English volume: volume 11 is scheduled for an August 11 release.
• Season context: the run aligns with Spring 2026 listings seen across industry schedules.

Source: MAL