2girls :t black_bra black_hat blouse blue_blouse blush bow bra breast_envy breasts collared_shirt eyeball eyebrows_visible_through_hair frilled_sleeves frills gradient gradient_background green_eyes green_hair green_skirt grey_background hair_between_eyes hair_ornament hairband hat hat_bow hat_ribbon heart heart_hair_ornament heart_of_string highres komeiji_koishi komeiji_satori long_skirt long_sleeves looking_at_viewer medium_breasts medium_hair multiple_girls nagomian open_clothes open_mouth open_shirt pink_bra pink_eyes pink_hair pink_skirt purple_eyes purple_hair red_eyes ribbon ribbon_trim shirt short_hair siblings sisters skirt small_breasts smile sweatdrop third_eye touhou underwear wavy_hair wide_sleeves yellow_ribbon yellow_shirt