Rule34.GG

Regular 3 heads
anal
animal genitalia
bodily fluids
claws
cum
cum on stomach
cum on tail
cumshot
dragon
duo
ejaculation
erection
fellatio
feral
feral on feral
firael
genital fluids
genitals
ghidorah (species)
godzilla (series)
hand on head
king ghidorah
kissing
knot
licking
male
male/male
membrane (anatomy)
membranous wings
multi head
oral
outside
penile
penis
penis lick
rimming
sex
slit
snout fuck
specterdragon
tail fetish
tail play
tail sex
toho
tongue
tongue on penis
tongue out
wings