Rule 34 Dev - 2girls bare_shoulders bikini bikini_top_only blush eyeball female green_eyes green_hair hairband heart heart-shaped_pupils heart_of_string ishikkoro komeiji_koishi komeiji_satori looking_at_viewer midriff multiple_girls navel no_headwear one_eye_closed pink_hair pointy_ears purple_eyes short_hair siblings simple_background sisters smile string swimsuit symbol-shaped_pupils third_eye touhou upper_body white_background|3777922220