1girl, arms_behind_back, bare_shoulders, bat_wings, blue_one-piece_swimsuit, blush, closed_mouth, collarbone, flying_sweatdrops, impossible_clothes, looking_at_viewer, medium_hair, nako7575ko, navel, no_headwear, old_school_swimsuit, one-piece_swimsuit, pointy_ears, purple_hair, red_eyes, remilia_scarlet, school_swimsuit, simple_background, solo, swimsuit, touhou, white_background, wings