A stylish girl who is one of four members of Fujishiro's gyaru clique. She followed Fujishiro on social media long before becoming her friend. She's known for her bad grades, and often competed with Fujishiro to see who would get the worst grades on tests. Her best friend is Minakami Maho and the two of them never seem to be very far apart; Maho even waits for her in an empty classroom at school while Miki attends a make-up class after failing a test. [spolier]Miki feels badly betrayed by Fujishiro when she leaves the gyaru group to hang out with Kurokawa. Miki idolized Fujishiro and doesn't understand why Fujishiro would choose Kurokawa over their own friendship. Despite her hostility toward Fujishiro she cares a great deal for her, and she speaks up for her when Kurokawa is struggling to reconcile her own feelings towards Fujishiro.[/spoiler]