1girl, adjusting_clothes, adjusting_swimsuit, ahoge, ass, back, backless_swimsuit, bare_shoulders, barefoot, blue_background, blush, border, brown_eyes, brown_hair, butt_crack, casual_one-piece_swimsuit, close-up, clothing_cutout, embarrassed, feet, flying_sweatdrops, frilled_one-piece_swimsuit, frills, from_behind, gradient_background, hand_up, have_to_pee, headgear, heart_cutout, holding, inflatable_shark, inflatable_toy, knees_together_feet_apart, leg_up, looking_at_viewer, looking_back, multiple_views, narumiya_(narumiya), nose_blush, one-piece_swimsuit, open_mouth, outline, outside_border, shiny_skin, short_hair, side-tie_one-piece_swimsuit, sidelocks, simple_background, standing, standing_on_one_leg, sweat, swimsuit, thighs, touhoku_kiritan, voiceroid, white_border, white_one-piece_swimsuit, white_outline