Motoki Yaze

Motoki Yaze (矢瀬 基樹(やぜ もとき), Yaze Motoki) is a Deva Descendant Human who is a member of the Yaze Clan; being the youngest son of Akishige Yaze and the younger half-brother of Kazuma Yaze whilst the adoptive brother of Yume Eguchi. He was ordered by Kazuma to observe the Fourth Primogenitor, Kojou Akatsuki. He is also the childhood friend of Asagi Aiba and eventually 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 employed to be the real observer of Kojou rather than Yukina Himeragi.