1girl amputee beret blue_skirt brown_hair closed_mouth commentary_request hat highres iwanaga_kotoko kyokou_suiri long_hair long_sleeves looking_at_viewer nyoro_(nyoronyoro000) prosthesis prosthetic_leg purple_eyes school_uniform shirt short_hair sitting skirt smile solo thighhighs thighs white_headwear white_shirt white_thighhighs