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Mamiru Keikain


(花開院魔魅流, Keikain Mamiru)

Personal Data


Gender Male Male


Astrological Sign Virgo September 14



Height 192 cm
1.92 m
6.299 ft
75.591 in
Weight 82 kg
180.779 lb

Voice Actors


Steve Staley Icon - Search (credited as Steve Cannon)



Nurarihyon no Mago Chapter #51


Nurarihyon no Mago Episode #2

Appears in

Anime and Manga

Shikigami Summoning

Mamiru Keikain (花開院 魔魅流, Keikain Mamiru) is an Onmyōji of a Keikain branch family who was adopted into the main house. He acts and travels with Ryūji, and they are able to attack in tandem. He was Yura's childhood friend, but now he seems like a completely different person. He sees yōkai as a force of evil, has even greater talent than Yura, and is like a robot in that he doesn't show emotion.


Mamiru is tall, with blonde hair and amber eyes. He wears a long purple coat along with black gloves and boots. He rarely shows any emotion.

Abilities and WeaponsEdit

Mamiru is capable of producing electrical techniques with his onmyoujutsu.

It is unspecified which branch family Mamiru belonged to prior to joining the Main House of the Keikain Clan and thus.what other powers or clan specialty he might possess is unknown at this point.

Mamiru is capable of channeling power in his hand to electrocute his opponent.


  • "In order to protect "Yura" I became like this..."


  • He ranked 43rd in the character popularity poll with 61 votes, tied with Nattō Kozō.
  • He been called "a Hopeless Baby" by Ryuuji because he just listens to Ryuuji's order and does not finish the enemy off although he know that he can win.


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