One of the guys (seriously, anyone is fine. I don't mind if it's one of big three or the more minor boys) gets strapped to a bed with a vibrating buttplug inside them. Whether they get freed or not by someone else is up to you, I just want them really hurting by the end of it.

"My name is Karkat Vantas," you say when the recording starts. "Imperial ID number 4136-1211-15201. I'm applying for status as a pail slave. I'm," you swallow hard to try to clear the lump from your throat, "I'm unfit for standard contribution due to abnormal hemotype, but I want to serve my Empire to the best of my ability. I understand the physical demands of the position and," your voice cracks, "I'm training to be better prepared for them. I swear to cooperate readily and faithfully with my assigned user. I surrender my body to Imperial custody. All hail Her Imperious Condescension, and all hail her glorious Empire."