1girl, braid, breasts, canal_vorfeed, collarbone, competition_swimsuit, covered_navel, covered_nipples, facial_mark, gradient_background, green_hair, grey_background, large_breasts, long_hair, looking_at_viewer, lost_universe, one-piece_swimsuit, purple_eyes, sideways, solo, standing, sugimura_tomokazu, swimsuit, twin_braids