FURVERT!

1_eye arms_tied bdsm big_breasts black_body blush blush_lines bondage bound breast_squish breasts clothing earpiece female footwear glados grey_body hands_behind_back high_heels humanoid machine metallic_body not_furry orange_eyes oxtra portal_(series)restraints robot robot_humanoid rope rope_bondage rope_harness shoes solo squish thick_thighs valve valve_corporation wire