headbone_style, source_cartoon, pixel art, orange skin, flat color, dot eyes, no sclera, 1girl, Syd_headbone, flat chest, black hair, bowl cut, hairband,  purple hairband, hatsune miku (cosplay), necktie, skirt, thighhighs, sleeveless, sleeveless shirt, detached sleeves, collared shirt, pleated skirt, stage, on stage, stage background, dithering, photo background, realistic background, monochrome background, singing, indoors