Celestia has three stallions helplessly bound to a wall in her dungeon with no way to defend themselves, and she's eyeing them all very lustfully. She can't possibly keep them all to herself, so she invites Luna to come and join in on her fun.

However, her sister might want to get a little competitive…

No Dark tag because there is no torturing, starving, or anything of the sort.

Just some good ole fu:duck:kin'.

WARNING: Fairly hard sexual content, but no extreme fetishes.
All partners eventually consent, so no rape is involved.