Rule 34 Dev - 1boy 1girl animal_ear_fluff animal_ears arknights beard blue_pajamas blue_pants blue_shirt brown_footwear climbing collared_shirt doctor_(arknights) english_text facial_hair green_eyes green_shirt grey_hair guin_guin hand_on_own_face kal'tsit_(arknights) mustache open_window pajamas pants shirt window|13677712191