Mikaze Akimura


 * This article contains major plot spoilers from the manga that have not been revealed in the anime. Proceed at your own risk.

Mikaze Akimura (秋村 弥風) was a devil/human hybrid who was decided to be part of the last ever Hybrid Birth Project at ONL. She is the biological daughter of the human Maiko Hashimoto and the devil Shouta Akimura. However, shortly after the birth, Mikaze died.

Story
In the year 2016, Shouta Akimura and Maiko Hashimoto was paired in the last ever Hybrid Project at ONL, which lead to Hashimoto's pregnancy with Mizake. In July 2017, Hashimoto went into labor, but right before the Mikaze was born, she transformed into a devil which left both mother and child in critical condition. The two died shortly thereafter. Akimura was greatly saddened by this but remembers them by keeping them in his heart.

Trivia

 * She was named Mikaze (弥風), which means "beauitful wind", by her mother. She was excited about having a baby with hair as beauitful as her father.