Triage X is a vigilante anime about a hospital staff that spends their days saving lives and their nights killing people they call “cancers.” The story follows Arashi Mikami, a socially awkward high school student who survives a terrorist attack that kills his best friend Ryu Mochizuki. Arashi wears a bullet-proof motorbike helmet that covers his entire face during missions, a detail that keeps his face hidden from the audience for most of the show.
Trailer, via Animatsu Entertainment.
The Black Label and Its Members
The Black Label is a vigilante group made up of hospital staff and teenagers from Mochizuki High School. They target people they call “cancers” of society, and their job is to stop those people from spreading their wickedness. The core cast includes:
- Mikoto Kiba, a senior at high school with golden eyes and a large bust, who acts calm at school but gets short-tempered around Arashi
- Sayo Hitsugi, the main nurse at the hospital and the close combat expert of Black Label
- Oriha Nashida, a 14-year-old idol and demolitions expert who started college at 11 and lives in an abandoned mansion filled with traps
- Shinichirou Inunaki, voiced by Shin-ichiro Miki
- Hinako Kominato, voiced by Naomi Ohzora
- Fiona Ran Winchester, voiced by Aya Hisakawa
- Youko Komine, voiced by Mao Ichimichi
- Miki Tsurugi, voiced by Masumi Asano
- Ryuu Mochizuki, voiced by Atsumi Miyazaki
- Masamune Mochizuki, voiced by Takaya Kuroda
What Works
The show’s premise is dark and morally ambiguous, which gives it a distinct identity among anime. The hospital setting is a clever twist — staff who save lives by day become assassins by night. The animation is clean, and the action sequences are well-choreographed for a ten-episode series. Mikoto Kiba’s arc, in particular, is well-handled, with her history in the Yakuza and the death of her brother Yuki giving her a strong emotional throughline.
Where It Falls Short
The series is short, and that brevity hurts it. The ten-episode run doesn’t always have room to fully develop its characters or its world. Some plot threads are introduced and then left unresolved, which leaves the show feeling unfinished rather than tightly constructed. The pacing is uneven, with episodes that feel rushed and others that drag.
The voice acting is solid across the board. Kenji Akabane as Arashi and Yui Kondo as Mikoto Kiba deliver consistent performances that carry the emotional weight of the show. The rest of the ensemble cast is well-matched, with each character getting enough screen time to feel like a real person rather than a prop.
Ranking the Episodes
- Episodes that introduce Mikoto Kiba’s past — the strongest character work in the series
- Episodes that follow Arashi and the Black Label on their missions — the show’s core action is well-handled
- Episodes that focus on Sayo Hitsugi’s combat skills — the close combat expert gets her moments
- Episodes that introduce supporting characters like Shinichirou Inunaki and Hinako Kominato — these feel rushed by comparison
A Solid, Flawed Ten Episodes
Triage X is a worthy, serious take on vigilante fiction, but its short run leaves it wanting more. The core concept is strong, the animation is clean, and the voice acting is excellent. But the show’s brevity leaves it feeling unfinished, and some of its threads remain unresolved.
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