Dark Moon: The Blood Altar: Story, Cast and Series Facts

Story and 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.

Series details

• Title: Dark Moon: The Blood Altar
• Format: Animation
• Language: Japanese
• Genres: Anime, Fantasy
• Premiere date: 2026-01-09
• Status in TVmaze: Running
• Network listed by TVmaze: Tokyo MX
• Network country: Japan
• Typical episode runtime: 30 minutes
• TVMaze ID: 88504
• TVDB ID: 454526

Seasons in the TVmaze catalogue

• Season 1: premiered 2026-01-09; final listed air date 2026-03-27.

Source and licence

Adapted from Dark Moon: The Blood Altar on TVmaze. The synopsis is reproduced as plain text; catalogue facts, cast and season records are selected and reformatted. This adapted text is available under CC BY-SA 4.0, following the TVmaze API licence. Network and web-channel credits identify the service listed in this source; they do not establish current streaming availability.