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Motoki Yaze (矢瀬 基樹(やぜ もとき) Yaze Motoki) is the childhood friend of Asagi and the best friend of Kojou, as well as their classmate at Saikai Academy. He knows that Kojou is the Fourth Primogenitor as he is a member of the Lion King Organization and is the real observer of Kojou.


Motoki is a tall, high-school student. He has teal eyes and swept back brown hair. He also has a pair of headphones around his neck most of the time. He wears the Saikai Academy school uniform.


For more images, see Motoki Yaze/Image Gallery.


The Yaze family created many generations of Hyper Adapters, and is the head of the Gigafloat Management Corporation. Motoki was stated to be a lackluster Hyper Adapter, and was determined from birth that his ability was good for observation and nothing else. Just before starting middle school, he was ordered to monitor Kojou by Kazuma Yaze. Prior to this, Motoki's surveillance targets had been limited to criminals—politicians suspected of dirty dealings and corporations involved in illegal black market schemes.[1]


Right Arm of the Saint[]

Emissary of the Warlord[]

Blazing Angel[]

Labyrinth of the Blue Witch[]

Banquet of the Observers[]

Return of the Alchemist[]


Motoki is a Hyper Adapter, a natural psychic. He has psychoninesis; the ability to manipulate special soundwaves, granting him superhuman hearing. However, he needs certain drugs or enhancers to use his abilities to the fullest.

Name Description Image
Sound Control Motoki has the ability to control sound and uses it for eavesdropping and for scouting. He also possesses a strange pill that increases his ability and allows him to perform even greater supernatural abilities, such as propelling himself into the air. Using more than one pill allows him to create a sound clone of himself and control it by concentrating while wearing his headphones. What this clone is capable of doing is currently unclear as it was destroyed quickly by Dimitrie Vatler. Motoki.gif
Soundscape By using his headphones he is able to enhance his hearing beyond that of a normal human. He is able to use this ability to spy on others or to keep tabs on them. The weakness of Soundscape is that it is too sensitive, a powerful burst from Kojou Akatsuki when he was injured by Kirasaka Sayaka disrupted the Soundscape and harmed Motoki's hearing for several minutes.


  1. Motoki has recessive genes of Devas, likely the source of his Hyper Adapter abilities.