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Sirene (シレーヌ Shirēnu?) is a supporting antagonist in Devilman Crybaby. She is a demon with features resembling a bird of prey, and was the lover of the demon hero Amon centuries before his possession of Akira Fudo. Under Zennon's orders and partnership with Kaim, Sirene hoped to reawaken Amon once more.

Early Background[]

I was lonely, Amon. I waited so long for you to come to the human realm.
— Sirene to Akira Fudo.

Many centuries before Amon took possession of Akira's body, as Sirene was the demon warrior's consort. Whether their relationship was intimate or casual attraction was never touched upon. What has been revealed is that Sirene had a thing for Amon, waiting centuries for his rebirth.


Sirene. Even covered in blood... you are the vision of beauty.
— Kaim's last words to Sirene.

Sirene is a humanoid demon, with large bird claws in place of feet and hands and a massive pair of white feathered wings on her head. Two antenna sprout from her forehead and sprouts several tail feathers from her behind.

In her human disguise, she appears as a young woman with a voluptuous figure, long white hair, thin eyebrows, piercing cold blue eyes, and blue makeup. Her clothing consists of a white dress that shows her cleavage as well as white high heels.


Sirene possessed the standard strengths of a demon. She fights with great speed and vigor as well as survive wounds that would instantly kill or cripple any human. The wings on her head allow Sirene to fly. Like all demons, she could merge with other lifeforms to become stronger, as she did with her driver Kaim.

Unique to Sirene is her ability to throw her claws like boomerangs with deadly accuracy. These claws can cut whatever they touch to ribbons, badly wounding opponents. In addition, Sirene can control her thrown claws through her antenna, which when removed also upsets her balance.

After merging with Kaim, Sirene gains far greater strength and charging speed. Aside from impaling, she can release powerful bolts of energy from Kaim's horns.

Prior to his possession of Akira, Sirene and Amon may have shared some form of imprinting. This was shown when, after being sexually triggered after seeing Miki's naked body through her sleep clothes, as Akira went into a complete lust rage and even dreamed of Sirene in her human form. Sirene also shared the same urges, going violently into heat.


I'll suck up him dry.
— Sirene to Kaim regarding Amon.

Sirene was a perverted demonness; always using sexual overtones to convey her own desires. A fact that she takes pride in with a bit of sadism at the thought of failing to bring Amon's memories back, she would try to "suck [his host] dry". She adored Amon above all and looked down on all other suitors, including Kaim, as unworthy. But when Kaim gave his own life for her, she was genuinely completely heartbroken, showing that she at least had some affection for him.


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  • Sirene's Japanese voice actress, Atsuko Tanaka, has previously voiced her character in the Devilman adaptation for the original PlayStation video game.
  • The sex scene between Sirene and Devilman fight was based on Go Nagai's original idea (Gekiman) for Devilman to start raping Sirene in mid-air, but it was rejected. Instead, the concept was moved to Devilman Crybaby.
  • The sex scene is also based on Katsuya Terada's Devilman Neo short manga. Though it was similar to Go Nagai's original concept.