Post for those who like: alien, arms tied, balls, big dom small sub, bodily fluids, etc.
Regular alien
arms tied
balls
big dom small sub
bodily fluids
bottomless
bound
clothed
clothing
cybernetics
dialogue
dominant
duo
english text
erection
foreskin
forked tongue
frottage
gay
genital fluids
genitals
green penis
hands behind back
hi res
human
humanoid genitalia
humanoid penis
interspecies
larger alien
licking head
machine
male
male/male
male only
mammal
muscular
muscular male
nipple chain
nipple piercing
nipples
nude
penis
piercing
precum
predator (franchise)
prehensile penis
profanity
retracted foreskin
sex
size difference
smaller human
text
tongue
uncircumcised
unusual anatomy
unusual genitalia
unusual penis
xenoguardian
xenophilia
yaoi
yautja