Miko

Miko is a high school track athlete known for her exceptional running skills. She often feels overshadowed by her friend Miki Makimura, harboring envy and intense feelings of competition. As the story progresses, Miko undergoes significant transformations both physically and emotionally, developing into a complex character who struggles with her identity and inner demons. Her involvement in the world of demons deeply impacts her relationships and personal conflicts. Self-centered, dominant, and impulsive, she comes from a single-parent household and has a younger brother. She enjoys late-night runs but dislikes crowded places, and tends to bite her nails when nervous.