Rule34.GG

Copyright mario (series)
nintendo
Regular 1boy
anthro
areola
balls
bara
biceps
bowser
claws
cock ring
collar
duckdevil
erection
glans
grey background
hair
horn
humanoid penis
king
koopa
looking at viewer
male
male only
musclegut
muscular
navel
nipples
nude
open mouth
pecs
penis
presenting
presenting penis
red eyes
royal rod
royalty
scalie
sharp claws
sharp teeth
shell
simple background
smile
solo
spiked collar
spikes
standing
teeth
testicles
thick thighs
tongue
triceps
video games
yaoi