Miku comforts its members and helps resolve their problems. She is quite mellow and has a particularly close relationship with Mafuyu; she motivates people to recognize their true feelings. Miku has long, messy, uneven, warm grey pigtails that fall down to her knees and gradually fade into a dark, colder grey at the bottom. She has heterochromia; her right eye is turquoise, while her left eye is pink. Her nails are painted turquoise.