3girls, d, barefoot, bat_wings, blush, breast_envy, breasts, covered_navel, fang, flandre_scarlet, flat_chest, full_body, izayoi_sakuya, multiple_girls, no_headwear, one-piece_swimsuit, open_mouth, petite, pink_eyes, pointy_ears, purple_hair, remilia_scarlet, school_swimsuit, simple_background, sitting, skin_fang, small_breasts, smile, solo_focus, sweat, swimsuit, touhou, wariza, white_background, wings, youmu-kun