Miki appears as a member of Eiji Takanaka's social circle in Eden City. She participates in group gatherings with friends Bud, Akira, Lisa, and Lester at locations like shopping centers and the arcade Psycholand. During a gathering celebrating Eiji's new job at E=X, Miki suggests throwing a party for him. She is also present when the group plays the space combat simulator game "Hard On" at Psycholand.