1girl, :3, bare_arms, bare_legs, barefoot, black_one-piece_swimsuit, blue_eyes, blush, braid, breasts, closed_mouth, full_body, grey_hair, hands_up, highres, idolmaster, idolmaster_shiny_colors, looking_at_viewer, low_twintails, medium_breasts, nail_polish, one-piece_swimsuit, serizawa_asahi, simple_background, sincos, smile, solo, squatting, swimsuit, toenail_polish, toenails, twin_braids, twintails, white_background