Series synopsis
DARK MOON: THE BLOOD ALTAR, also known as DARK MOON -黒の月: 月の祭壇- is a Japanese animation sci-fi & fantasy television series that premiered on Gunma TV on January 10, 2026. It ended on March 28, 2026. It was created by HYBE. It stars Kikunosuke Toya, Hiroto Shimizu, Shugo Nakamura and Jin Ogasawara.
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.
Premise
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.
Cast and characters
Leading cast
- Kikunosuke Toya as Heli (voice)
- Hiroto Shimizu as Jaan (voice)
- Shugo Nakamura as Jino (voice)
- Jin Ogasawara as Solon (voice)
- Shunichi Toki as Shion (voice)
- Yuto Uemura as Jakah (voice)
- Chiaki Kobayashi as Noa (voice)
- Fuka Izumi as Sooha (voice)
Supporting cast
- Taihi Kimura as Khan (voice)
- Hayato Dojima as Najak (voice)
- Shohei Komatsu as Enzy (voice)
- Shoya Chiba as Tahel (voice)
Guest cast
- Sarah Emi Bridcutt as Trena
Episodes
This series spans 1 season with 12 episodes.
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 12 | January 10, 2026 | March 28, 2026 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
New Moon - Meeting - Seven boys with a secret attend a night school. They are strangely drawn to the transfer student Sooha. |
January 10, 2026 |
| 2 |
Crescent Moon - The Wolves Who Climbed Over the Wall - Sooha runs into some Sunshine City School students. They suspect Heli and the boys murdered their classmate. |
January 17, 2026 |
| 3 |
Half Moon - The Pre-emptive Date - Sooha loses Shion while out on a date with him and is confronted by vampires with sharp fangs. |
January 24, 2026 |
Production
Release
| Original network/platform | Gunma TV |
|---|---|
| First aired | January 10, 2026 |
| Last aired | March 28, 2026 |
| Status | ended |