1girl, aiuti, aqua_eyes, bare_shoulders, black_hair, black_thighhighs, blush, breasts, casual_one-piece_swimsuit, cleavage, covered_navel, girls'_frontline, looking_at_viewer, mask, mouth_mask, one-piece_swimsuit, sangvis_ferri, scarecrow_(girls'_frontline), simple_background, solo, standing, swimsuit, thighhighs, twintails, white_background