1girl ajifurai armpits arms_up bangs bell black_gloves black_hair black_thighhighs blush bound bound_wrists breasts cleavage clothing_cutout gloves green_eyes hair_ribbon hairband highres large_breasts looking_at_viewer navel navel_cutout ninja no_panties open_mouth original red_ribbon ribbon rope sash short_hair sitting smile solo thighhighs