Misaki Yoshizaki is a supporting character and mecha pilot in the military AG Unit. She operates the ancient robotic weapons known as G's Frames, fighting against the extraterrestrial threat Nergal. Her role places her among the recruits training alongside the protagonist, Reika Minamiya.

Her established friendship with Reika Minamiya forms a notable aspect of her characterization. This dynamic unfolds during their shared experiences as AG Unit recruits within the context of the unit's operations against the Nergal.

Her narrative presence is defined by her operational role as a G's Frame pilot and her friendship with the central protagonist.