Soga Ninokuru

Soga Ninokuru (ニノ曲 宗牙, Ninokuru Sōga) is a ninja exorcist from the Ninokuru family and considers Matsuri Kazamaki as his rival. His familiar is Ponosuke.

Appearance
Soga is a young man with short hair with two side bangs and fringe that always causes shadow on his eyes.

Plot
Six months ago, Soga is asked to do a mission with a rookie, Matsuri Kazamaki, heir of the Kazamaki exorcist ninja clan. Soga looks down on him, thinking he is just a rookie as he is one year younger than him. But as he sees how strong Matsuri is, he considers him his rival, thinking they can compete and grow stronger together.

Soga sends Ponosuke to observe Matsuri, but Ponosuke returns early as Matsuri sensed him. He confirms that Matsuri had turned into a girl, making Soga decide to put an end to this.

Soga enters he same school as Matsuri, but seeing him turned into a girl, he feels disappointed. Ponosuke informs Soga about Shirogane's whereabouts. On a bench, Shirogane is grooming himself, but is surprised when Soga appears and throws a kunai at him. As Shirogane starts running, Soga goes after him and Matsuri joins him, but Soga comments he is disappointed in Matsuri as he left a dangerous ayakashi live for a selfish reason of turning back into a guy. Soga tells Matsuri that he will finish Shirogane and put an end to the male Matsuri and speeds up. Matsuri still catches up and saves Shirogane, saying that he and Shirogane won't understand each other and he thinks he needs to exorcise him, but don't want to go against Suzu's wishes. Soga decides to use force to defeat him, but as Matsuri stands above him using his wind technique, it lifts his skirt revealing his panties and Soga having zero experience with women, feels embarrassed and runs away.

Powers & Abilities
Ninokuru family specializes in lighting jutsu and as ninja exorcist, Soga possess both ninja and exorcists skills.

Relationships
Matsuri Kazamaki Soga sees Matsuri as his rival. However after Matsuri turned into a girl she has left Soga flustered and confused as he has started having sexual reactions to her and seems to have started developing a crush much to his dismay. Reo Korogi Soga's childhoodfriend and now classmate. He only sees her as an annoyance and source of trouble, having been forced to play the role of unwilling test subject for her Ninja inventions.

Muga Ninokuru

Haya Ninokuru

Suzu Kanade

Ponosuke Ninokuru

Etymology

 * The name Soga means "song, dwell, Sung dynasty" (宋) (so) and "fang, tusk" (牙) (ga).
 * Soga's surname Ninokuru means "two" (ニ) (ni) and "song, tune, piece of music, high-angle" (曲) (kuru).