3d 3girls absurdres arm_ribbon bare_legs chair chocolate green_skirt hat heart-shaped_box hiding highres juliet_sleeves kaze_(bluewind) komeiji_koishi komeiji_satori long_sleeves mikumikudance miniskirt multiple_girls petticoat pleated_skirt puffy_sleeves ribbon shiki_eiki short_hair sitting skirt touhou upskirt valentine