yezhi dun luobei, togawa sakiko, arknights, bang dream!, bang dream! it's mygo!!!!!, absurdres, highres, 1girl, bare shoulders, black dress, black gloves, black horns, black pantyhose, black ribbon, black tail, blue hair, closed mouth, curled horns, demon tail, detached collar, dress, feet out of frame, gloves, hair ribbon, horns, long hair, looking at viewer, official alternate costume, pantyhose, phonograph, ribbon, sidelocks, single glove, sitting, solo, tail, togawa sakiko (master of melodia), two side up, wrist cuffs, yellow eyes