Akira's childhood friend harbors romantic feelings towards him, appreciates his recent transformation into a stronger version of himself, but feels envious of Ryo Asuka for considering Akira less masculine and unworthy of her affections.
She gets unholy things done to her by a demon at the beach but Akira uses his powers to make her think it was a dream. Near the end of the manga, Miki and her family are killed by crazed townsfolk who think Miki and her family are demons and her head is put on a pole. When Akira finds this he murders everyone there and holds her head in his arms in a memorable scene. After her remains are buried she is remembered by Akira and is alive in Violence Jack.