kiki lala, sumishuu, kaito (vocaloid), kiki (little twin stars), lala (little twin stars), megurine luka, little twin stars, magnet (vocaloid), sanrio, vocaloid, bad id, bad pixiv id, 1boy, 1girl, blue hair, bracelet, brother and sister, character name, closed eyes, copyright name, dress, headphones, jewelry, looking at another, lying, on back, pink hair, rotational symmetry, siblings, star (symbol)