
勢羽夏生
Нацукі Себа
Once a researcher at the Okutabi Lab, this talented individual now serves as a top-tier test subject and the dedicated leader of the JCC’s Weapon Production Department. As Mafuyu’s older brother, he utilizes a specialized black suit capable of granting complete invisibility on command. His transition from lab employee to student leader highlights his expertise in advanced technology and his essential role within the academy's technical operations.