Blood+

Blood+

BLOOD+
2005 -2006 Production I.G / Aniplex MBS / TBS 50 episodes Completed
Action Horror Dark Fantasy Mystery
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Details & Synopsis
Saya Otonashi lives in Okinawa with an adoptive family, no memory of her past, and a medical condition nobody can explain to her. Then a creature attacks her school, a cellist named Hagi hands her a sword, and her body remembers exactly what to do before her mind catches up.

Blood+ took the basic image from Blood: The Last Vampire, a girl with a katana hunting Chiropterans, and turned it into a fifty-episode family tragedy that moved from Okinawa to Vietnam, Russia, France, England, and New York. It aired for a full year beginning in 2005, which gave it room to be slower than people expected. That pace is the point. Saya is not collecting monsters of the week. She is recovering a life that was taken from her in pieces, and every answer makes the family around her more complicated.

Adult Swim brought it west in 2007, where it became one of those shows people either followed every week or lost completely after missing three episodes. The opening themes changed, the locations changed, the conspiracy kept widening, and Hagi remained Hagi.

Do not confuse it with Blood-C. Same name, different wound. Blood+ is the one that takes its time.
Alt Title BLOOD+
Studio Production I.G / Aniplex
Network MBS / TBS
Aired 2005 - 2006
Episodes 50
Genre Action, Horror, Dark Fantasy, Mystery
Status Completed
← All lore

Red Shield & War History

The Genesis of the Century War

The Zoo Raises Saya and Diva as Opposite Experiments

Early 1830s · two cocoons · one daughter and one prisoner

Joel Goldschmidt and Amshel discover two cocoons inside a Chiropteran mummy. The girls who emerge become Saya and Diva.

Saya is raised in the Zoo as Joel's daughter. Her twin is kept isolated in a tower, unnamed and treated as an experimental subject until Saya discovers her years later.
What changed
The sisters begin with the same blood and radically different human experience. Almost everything that follows grows out of that split.
Saya Otonashi Diva

1883: Saya Opens the Tower and the Zoo Burns

SPOILER!

Joel's birthday · Haji's fall · Diva's escape

Saya releases Diva so her sister can sing at Joel's birthday celebration. She does not understand what years of isolation have made of Diva or what will happen when the tower opens.

That same day Haji is mortally injured and Saya saves him with her blood. By the time they return, Diva has killed Joel and the guests and the Zoo is burning.
What changed
One act of compassion creates two consequences Saya will carry for the rest of the story: Haji becomes her Chevalier, and Diva becomes the enemy she believes she must stop.
Diva Saya Otonashi Haji

The Red Shield Inherits Joel's War

Goldschmidt descendants · private anti-Chiropteran organization

After the destruction of the Zoo, Joel Goldschmidt's descendants build the Red Shield around the long campaign against Diva and the Chiropterans created through her side of the bloodline.

The organization gathers history, intelligence, medical research and field personnel across generations.
Why it matters
Red Shield can find the enemy, preserve the record and keep people alive. It still cannot replace Saya. The organization exists around a task only she can ultimately perform.

Joel's Diary Is the War's Institutional Memory

SPOILER!
Each generation of Red Shield inherits records that preserve what ordinary human memory cannot carry across a century-long conflict.

When Saya reads Joel's Diary, she is reading an external record of a life her own amnesia has interrupted.
Why it matters
The Diary is not just exposition delivered in book form. It is the reason one human organization can keep learning while Queens sleep and generations die.

Corporate Shadow Empire

Cinq Flèches Turns Diva's Side Into a Modern System

SPOILER!

Goldsmith influence · corporate cover · research and logistics

By the modern era, Amshel and the Goldsmiths have built Cinq Flèches into a network with the money, laboratories, political access and corporate reach needed to hide Chiropteran research inside ordinary institutions.
Why it matters
Diva's side no longer has to operate like a secret nest of monsters. It can use the infrastructure of the human world while remaining invisible to almost everyone living inside that world.
Amshel Goldsmith

Delta 67 Turns the Old War Into a Mass-Casualty Plan

SPOILER!

Research program · distributed exposure · Diva's voice as trigger

The same research that creates artificial Chiropterans eventually becomes a plan for transformation at population scale.

Cinq Flèches distributes Delta 67 widely enough that Diva's globally broadcast singing can use the Synchronicity effect to activate the agent in exposed people.
What changed
The final threat is no longer Diva defeating Saya. It is the private blood feud being industrialized until millions of strangers can be pulled into it.

Red Shield and Cinq Flèches Are Opposite Answers to the Same Time Problem

SPOILER!
Both sides of the war need human institutions because Saya and Diva disappear into long hibernations.

Red Shield preserves memory and organizes people around stopping Diva. Cinq Flèches turns Chevalier longevity into money, research and influence that can shape the world before the Queens wake again.
Why it matters
The century war is not sustained by immortal sisters alone. It survives because organizations make their conflict durable.

Historical Milestones & Globe-Spanning Campaign

Early 20th-Century Russia: The War Hides Inside History

SPOILER!

Saya and Haji pursue Diva's side through imperial Russia

Saya and Haji's earlier pursuit of Diva carries them through Russia during the collapse of the imperial era.

The series folds its fictional war into recognizable history without claiming that Saya caused the history around her.
Why it matters
Blood+ keeps returning to the same idea: the Chiropteran conflict survives by moving through human wars, governments and institutions that usually never understand the full thing happening beside them.

1972 Vietnam: Red Shield Wakes Saya Before Her Time

SPOILER!

Forced awakening · uncontrolled violence · another buried memory

During the Vietnam War, Red Shield forces Saya out of hibernation because Chiropteran activity has become impossible to ignore.

The awakening goes catastrophically wrong. Saya fights without the control she has in the present, attacks beyond the intended targets and even wounds Haji before falling back into sleep.
What changed
Vietnam becomes the memory Saya fears most because it proves that her power can endanger the people around her when she loses herself.
Saya Otonashi Haji

2005 Okinawa: Saya Wakes Into a Family Instead of a Mission

SPOILER!

George · Kai · Riku · one ordinary year before the past returns

Saya wakes in Okinawa without her old memories and spends a year as George Miyagusuku's daughter and Kai and Riku's sister.

Red Shield knows she will eventually be needed again. The life she builds before that moment is not treated as a waiting room.
What changed
For the first time in the story we experience Saya from the inside of the ordinary life she is being asked to leave. The coming war has to compete with something real.
Saya Otonashi George Miyagusuku Kai Miyagusuku Riku Miyagusuku

The Fall of Red Shield Headquarters Breaks the Organization Without Ending It

SPOILER!
Diva and Karl attack Red Shield headquarters, killing personnel, devastating the command structure and destroying the sense that the organization itself can keep Saya's family safe.
What changed
One year later, Red Shield survives as people and relationships before it fully survives as an institution. David, Joel, Lewis, Julia, Kai and the others have to decide whether the organization still means anything after its walls are gone.
David Lewis