Donna teaches them oral submission.

Donna takes the two Office Workers turned Sex Slaves to a different room and sits down in a chair. She spread her legs- revealing that she is not wearing panties- and stretches out her feet, kicking her high heels aside.

"Down on your knees in front of me, Slaves," she commands, "Unless you want to get fucked by those brutes."

Sam and Liz quickly do what she commanded, showing submission and fear.

"Eventually you'll have to lick my pussy and make me cum. For now though, worship my feet."

The naked duo reluctantly comply, tentatively kissing her feet and sucking on her toes.

"I should mention one more thing," Donna says, "Everything you do is being graded by me. For every failure, a punishment. The loser will be given back to them."

She gestures towards the TV showing the Feed from the other Room. The pair see three ladies getting fucked roughly by the Trainers, while the other three are punished simulatenously.

They quickly 'up their game,' showing more passion and submission as they worship their new Mistress' feet. Donna smiles.

After a few minutes of this, she wants to move on to the next step. She orders them to stop sucking, but to also stay where they are.

Donna uses her feet to mess with them more directly now, rubbing their breasts and nipples with them. She even manages to pinch their nipples with her big toes.

"One of you did better than the other," she explains, "That **** will be punished here. Everything is being graded though, so how you take your punishment AND how you help me punish the loser will be taken into account. Understood?"

The pair nod submissively.

"Good. The one who will be punished now is..."