Rule34.GG

Regular 2boys
androgynous
before oral
black hair
blush
blushing
bulge
envy (fullmetal alchemist)
erection
femboy
fullmetal alchemist
gay
grin
headband
hiroshi (kitaro)
homunculus
long hair
male
male focus
male only
midriff
mouth hold
naughty face
penis
purple eyes
skin tight
skirt
sleeveless
slit pupils
smile
smug
smug face
smug grin
solo focus
sweat
tattoo
trap
unzipping
unzipping pants
unzipping with mouth
yaoi
zipper