Rule34.GG

Regular alternate costume
blush
chimmyming
crossdressing
cum
cum in mouth
cum on face
fellatio gesture
fully clothed
gintama
gintoki sakata
habit
half-closed eyes
heart-shaped pupils
looking at viewer
male
male only
manly crossdresser
monochrome
nun
nun's habit
nun outfit
open mouth
smile
solo
tongue out
upper body