She has turquoise eyes and pigtails that extend down to her knees held with black and red square-shaped ribbons that have become a signature of her design. Miku's appearance and looks are modeled after her V4 design.
As the group's sole virtual singer, she comforts its members and resolves their problems. In 25-ji, Nightcord de.'s Sekai, her appearance and personality are somewhat different.
In Wonderlands x Showtime's Sekai, she works with the Troupe Leader KAITO and puts on extravagant shows with the group. They serve as advisers to Kohane and her friends. In Vivid BAD SQUAD's Sekai, she and DJ Len help MEIKO run her café. In MORE MORE JUMP!'s Sekai, she becomes an idol together with Rin and guides the idol group into realizing their true feelings as idols. In Leo/need's Sekai, she is a student, who, with Luka, helps the groups' members reconcile. She lives in another world called Sekai, and appears in the real world, along with her fellow virtual singers, to consult people who have trouble understanding their true feelings. Among virtual singers, her name is known throughout the world, and through many generations. She can sing in a wide variety of genres with her cheerful and cute voice. Miku is a female virtual singer known for her blue-green twin-tail hairstyle.