2_fingers
3d_(artwork)
9:16
alien
anthro
balls
butt
digital_media_(artwork)
fingers
genitals
half-life
hi_res
humanoid
looking_at_viewer
male
multi_eye
not_furry
presenting
presenting_hindquarters
simple_background
solo
source_filmmaker_(artwork)
valve
valve_corporation
vortigaunt
willie_piv
