1girl, ahoge, arms_behind_back, barefoot, black_one-piece_swimsuit, breasts, competition_swimsuit, covered_navel, full_body, girls'_frontline, gotoo, grey_hair, highleg, highleg_swimsuit, looking_at_viewer, m200_(girls'_frontline), medium_breasts, multicolored_clothes, multicolored_swimsuit, one-piece_swimsuit, purple_eyes, simple_background, solo, standing, swimsuit, white_background