serizawa kasumi, serizawa miki, shoko (super real mahjong), super real mahjong, 1980s (style), jpeg artifacts, official art, 3girls, :p, artistic error, barefoot, bikini, blue eyes, blue hair, breasts, cleavage, feet, green eyes, green hair, hairband, large breasts, long hair, lying, medium breasts, multiple girls, oldschool, on stomach, one eye closed, open mouth, retro artstyle, short hair, swimsuit, tongue, tongue out, wink