📝 Highlights & Appeal Light spoilers
01① The first-ever HYBE × Aniplex collaboration
A HYBE original story, adapted into anime by Aniplex, one of Japan's leading anime producers — the very first time the two companies have worked together.
02② Adapted from a webtoon with 200 million views
The source webtoon, The Blood Altar, has surpassed 200 million cumulative views worldwide — the anime adaptation of a story that already has a global fanbase.
03③ Seven boys, seven secrets
Seven boys — Heli, Ian, Jino, Solon, Shion, Jaka, and Noah — attend the elite Deceris Academy, each hiding the secret that they are vampires. Their distinct pasts and personalities are what have driven the source webtoon's popularity.
04④ Transfer student Suha changes everything
The seven boys have always kept their distance from other students — but they find themselves inexplicably drawn to the transfer student Suha, whose presence slowly begins to open up their closed-off world.
05⑤ Theme songs by ENHYPEN
The OP theme "One In A Billion (Japanese Ver.)" and the ED themes "CRIMINAL LOVE" and "Fatal Trouble" are all performed by ENHYPEN, the seven-member global group the original webtoon collaborated with — giving the anime's music a strong sense of continuity with the source material.
06⑥ TROYCA's vampire aesthetics
Animation production is by TROYCA, directed by Shoko Shiga. The world where vampires blend into human society, and the aesthetic visuals of the elite night school, are carefully crafted.
07⑦ A full 12-episode Friday late-night run
Airing every Friday at 24:00 from January 9, 2026 on TOKYO MX, BS11, Gunma TV, and Tochigi TV, the show ran a full 12 episodes, concluding with the finale "Dark Moon: The Blood Altar" on March 27.
08⑧ ENHYPEN and cast at the Japan Premiere
A Japan Premiere event was held on December 28, 2025, with cast members including Kikunosuke Toya joined on stage by ENHYPEN themselves — drawing major attention even before the broadcast began.
💡 Key Points & Predictions Some spoilers
Expect Suha's true identity and the reasons the seven boys hide their vampire nature to gradually come to light, with an incident that shakes the city setting off changes to both their pasts and the world itself. The source webtoon digs even deeper into the characters' hidden relationships, so how the anime handles that depth is worth watching.
🧾 Story So Far Contains spoilers
The story opens with transfer student Suha arriving at Deceris Academy. An incident that shakes the city becomes the trigger for the seven boys' pasts to start coming to light, and across all 12 episodes their world gradually transforms.
✅ Recommended Viewing Points
Recommended for anyone interested in the fusion of K-pop and anime, fans of the source webtoon, and lovers of vampire academy romance. ENHYPEN fans will find the theme songs alone worth checking out.
👀 Trivia & Fun Facts
・The source webtoon has surpassed 200 million cumulative views worldwide
・ENHYPEN themselves appeared on stage at the December 28, 2025 Japan Premiere
💫 Unresolved Foreshadowing Contains spoilers
・The full extent of the "secrets" each of the seven boys carries hasn't been fully unveiled yet
・Why Suha specifically moves all seven boys' hearts is one of the story's central mysteries
・What ritual or place the subtitle "The Blood Altar" actually refers to remains an intriguing open question
💌 Predicted Viral Quotes for Next Season
・Some fans speculate that the lyrics of ENHYPEN's "One In A Billion," prominently used in the non-credit OP, foreshadow the seven boys' fates