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DARK MOON: THE BLOOD ALTAR backdrop
DARK MOON: THE BLOOD ALTAR poster

DARK MOON: THE BLOOD ALTAR

8.6
2026
1 Season • 12 Episodes
AnimationSci-Fi & Fantasy
Director: Shoko Shiga

Overview

In the seaside city of Riverfield stands Decelis Academy, home to seven mysterious boys sharing the same secret: They're vampires, hiding their murky pasts. When Sooha, a female student who hates vampires, transfers to the academy, the boys find themselves irresistibly drawn to her. As strange events shake the city, old sins and buried secrets resurface, and their world begins to fracture.

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Trailer

Official Trailer 2 [Subtitled] Official

Cast

Reviews

AI-generated review
Fangs, Fandom, and the Business of Blood

I thought I’d left the vampire academy genre behind for good. For over ten years, it has been flooded with elegantly tailored bloodsuckers lurking in gothic prep schools, and my enthusiasm usually evaporates by the time the second brooding stare crosses a shadowy courtyard. Then *Dark Moon: The Blood Altar* showed up, backed by the full-force marketing machine of the K-pop world, and I’ve been oddly drawn in. This is more than another anime—it’s a sprawling multimedia project from HYBE, built to weave the mythology of ENHYPEN into a fictional realm. You’d expect something so corporate to feel soulless. Instead, the early episodes deliver a surprisingly entertaining bit of gothic teen drama.

A dramatic confrontation at Decelis Academy under the glow of a blood-red sky

Studio Troyca knows how to animate gorgeous boys who look like they could be on tour, but what keeps the glamour anchored is Sooha, our human heroine. She despises vampires. More crucially, she’s concealing a physical secret that makes her afraid of herself. In those opening scenes at Decelis Academy by the sea, notice her shoulders constantly tensed, her movements tentative. She isn’t recoiling from the boys’ mesmerizing beauty; she’s bracing herself because she has strength she cannot control and fears tearing everything apart or being exposed as abnormal. The camera hones in on her trembling hands whenever she squeezes a knob too forcefully or grips a desk, making her panic tangible. It flips the usual trope—the human girl isn’t fragile porcelain; she’s the one struggling to contain the power that would shatter everything else.

Heli watching Sooha carefully from a distance in the academy courtyard

Naturally, the boys circle around her. Heli, voiced by Kikunosuke Toya, has a soft, curious tone that contrasts with the sharper edges of his classmates. Jin Ogasawara’s Solon is the gruff skeptic—Ogasawara recently quipped on Abema TV that Solon is “the coolest one,” and you can hear that ego bleeding into his delivery. A lot of the boys melodramatically lean on pillars and stare into corners, weighed down by past trauma. Having so many named vampires clamoring for attention sometimes clogs the pacing; each needs their own moody beat, which can halt the story’s flow.

The shadows stretching across the polished floors of the academy at night

I’m still unsure whether the larger plot—this centuries-long conflict brewing with rival werewolves—has the steam to keep going. Webtoon adaptations often stumble with rhythm, and *Dark Moon* has that same issue. At moments it feels like we’re flipping vertical panels instead of following seamless scenes. Marcus Gibson at *Bubbleblabber* nailed it calling it “a mix of fantasy academy and teen romance, with a dash of ‘Twilight’ about the teen boys secretly being vampires.” That summary hits the mark. Whether that familiarity bothers you depends on how much teenage melodrama wrapped in supernatural angst you can stomach.

Yet I keep coming back to it. Beneath the heavy branding, there’s a sincere heart. These stories of eternal youth and hidden strength let us grapple with everyday fears—the uncomfortable changes our bodies go through, the terror of being rejected once people glimpse our ugly sides. *Dark Moon* outfits those anxieties with fangs and blazers. It isn’t reinventing the genre, but it keeps the wheel turning with enough flair that the ride feels worth it.