Blood-C

ブラッドシー

6.5(173,476)

MAL Score

Ranked #7711

Popularity #665

Action
Horror
Mystery
Supernatural
Gore
School
Vampire

Episodes: 12
Duration: 23 min per ep
Aired: Jul 8, 2011 to Sep 30, 2011
Status: Finished Airing

Synopsis

By day, Saya Kisaragi is a quiet schoolgirl in a secluded village; by night, she becomes its protector, hunting inhuman creatures with a ceremonial sword entrusted to her by her father for sacred duties. Each battle keeps the village’s calm façade intact—until a slip in the monsters’ words hints at a “broken covenant” Saya has never heard of, shaking her confidence in everything she’s been taught.

As unsettling visions begin to plague her, a mysterious dog appears with a pointed question: to whom did she truly promise to safeguard the village, and what would happen if that vow were broken? With her surroundings growing increasingly suspect, Saya is drawn into a grim search for the truth in a place where nothing is quite as it seems.

Otaku Consensus

Blood-C remains a sharply divisive Production I.G horror title: its strongest case is the clash between Tsutomu Mizushima’s controlled genre direction, CLAMP’s elongated character aesthetics, and brutally staged action that pushed TV gore far beyond typical school-supernatural fare. The consensus problem is equally clear: many viewers read the violence as numbing rather than meaningful, and the series’ slow-burn mystery structure asks for more patience than its 6.53 MAL score and 62/100 AniList reception suggest most audiences were willing to give.

Why You Should Watch

Watch Blood-C if you want a horror anime that treats contrast as a weapon: polite school-life rhythms, shrine imagery, and sudden grotesque violence colliding under Production I.G’s clean action craft. It scratches a different itch than Shiki’s social dread or Higurashi’s paranoia; Blood-C is colder, more ritualized, and more visually fixated on the body being violated. The best audience is a viewer who wants CLAMP-designed elegance without comfort, swordplay without heroic romanticism, and a mystery that becomes more interesting when the setting itself starts to feel artificial. If excessive gore breaks immersion for you, this is the exact fault line where Blood-C loses people; if you study horror staging, sound design, and tonal misdirection, that same excess is the text.

Key Characters

S
Saya Kisaragi
Saya is remembered less as a conventional action lead than as a deliberately dissonant figure: shrine-maiden grace, schoolgirl innocence, and extreme close-quarters violence compressed into one character design.
M
Mysterious Dog
The dog functions as the series’ philosophical irritant, cutting through routine with questions that shift Blood-C from creature-feature spectacle toward identity horror.

What Makes It Stand Out

1
Production I.G gives the action a polished, high-contrast finish that makes the gore feel surgically displayed rather than messy in the grindhouse sense. That precision is a major reason the series remains discussed even by viewers who dislike it.
2
CLAMP supplied the original character designs, creating a striking mismatch between long-limbed, elegant figures and the series’ emphasis on body horror. Blood-C uses that aesthetic tension more aggressively than many CLAMP-associated anime.
3
The staff pairing is unusually revealing: Tsutomu Mizushima directs while Nanase Ookawa of CLAMP handles series composition, so the show combines splatter-horror escalation with a mystery architecture built around withheld context.
4
The sound team is stacked for physical horror: Yoshikazu Iwanami served as sound director, with Yasumasa Koyama on sound effects. The result makes impacts, tearing, and creature movement part of the viewing experience rather than background detail.
5
Its reception profile is unusually split for a popular title: despite a MAL popularity rank of #665 and over 173,000 MAL votes, its score sits at 6.53, reflecting a series that many people tried and many people fought over.

Fun Facts & Trivia

Fun fact 1: Blood-C aired as a 12-episode TV anime from July 8 to September 30, 2011, making it a compact seasonal project rather than a long-running horror franchise installment.
Fun fact 2: Nana Mizuki is credited for theme song performance, adding major anisong star power to a show whose appeal is otherwise rooted in horror extremity and mystery structure.
Fun fact 3: Kazuchika Kise handled character design, while Takayuki Gotou is credited as both chief animation director and animation director, giving the production a strong animation-supervision backbone.
Fun fact 4: Naoki Satou composed the music, a notable fit for Blood-C’s ritualistic and violent mood because the score has to bridge school calm, supernatural dread, and sudden action without smoothing over the tonal clash.
Fun fact 5: AniList users tag the series heavily for Female Protagonist, Swordplay, Gore, Body Horror, Shrine Maiden, Rural, and Youkai, which neatly captures why Blood-C sits at the intersection of action choreography, folk-horror imagery, and splatter controversy.