Rule34.GG

Regular 2boys
age difference
beaker
black hair
blonde hair
can
closed eyes
clothed male nude male
clothed on nude
cmnm
desk
draco malfoy
erect nipples
flaccid
flaccid penis
gay
hand on cheek
harry potter
hogwarts professor
imminent sex
jar
lamp
long hair
male
male only
nipples
nude
older male and younger male
on back
on desk
open jacket
parchment
penis
potion
quill
scale
severus snape
slytherin
tagme
teacher and student
unprofessional behaviour
vial
yaoi