1girl, d, ass, bad_pixiv_id, bare_arms, bare_shoulders, black_one-piece_swimsuit, blue_eyes, braid, breasts, brown_hair, eyebrows_hidden_by_hair, gin00, hair_between_eyes, idolmaster, idolmaster_shiny_colors, low_twintails, one-piece_swimsuit, serizawa_asahi, short_twintails, simple_background, small_breasts, smile, solo, standing, swimsuit, teeth, twin_braids, twintails, twisted_torso, upper_teeth_only, wet, white_background