maple mutuki, serizawa asahi, idolmaster, idolmaster shiny colors, commentary request, highres, 1girl, :o, blue background, blue eyes, blue jacket, blue neckerchief, blue sailor collar, border, collarbone, dot nose, gradient background, grey hair, hand up, jacket, looking at viewer, neckerchief, open clothes, open jacket, open mouth, pink background, purple theme, sailor collar, shirt, short hair, sidelocks, signature, solo, upper body, white border, white shirt