sketch style, black line, flat color, 2D image, clear lines, best quality, lineart, sketch, white background, smile, smug, :3, v over mouth, upper body, open mouth, shiina tsumugi, hairband, low-tied long hair, halo, green bowtie, grey cardigan, white shirt, collared shirt, pleated skirt, plaid skirt, black skirt
oyobu5000