1girl bangs belt blush breasts closed_mouth coat collarbone commentary_request doctor english_text full_body gradient_hair grey_hair highres holding holding_needle holding_syringe kusano_shinta labcoat light_smile long_sleeves looking_at_viewer multicolored_hair needle open_clothes open_coat original red_eyes shoes short_hair simple_background sleeve_cuffs smile solo squirting_liquid standing stethoscope symbol syringe