The sisters were eager to see how well their little catgirl obeyed them. They decided to try some commands out on her.
"Lydia-nyan," one of them said, knowing that she'd be fine with being called two different names.
The cat girl perked up in attention.
"Sit."
There was no hesitation. Lydia-nyan sat exactly like a cat within less than a second after the command was given.
"Good girl."
As soon as the sister said that, her collar sent a wave of pleasure through her. Even if Y'sha managed to break her sister from the trance, enough uses of the collar would condition Lydia-nyan to obey the sisters and make her never want to leave them.
"Lydia-nyan," said the other sister.
"Curtsey, call us your mistresses, and praise us."
Again there was zero hesitation. Almost robotically, she got up on her hind legs and curtsied.
"Thank mew for your kindnyess, mistresses. How ethereal, how beautiful, how powerful, how intelligent my mistresses are. Mew are the definyition of perfection."
"Good girl."
Another wave of pleasure, this one more intense than the last, ran through her body. Her mind was beginning to associate them with positive feelings.
"Lydia-nyan. You feel very affectionate towards us right now, don't you?"
She felt a warmth in her chest and a sweet smile appeared. She crawled over and nuzzled against the sisters, purring all the while. The sisters began to pet and praise her. And with each pet and praise, she felt more and more pleasure, each set of please more intense than the last. Her feelings towards the sisters were all 100% positive and loving. She saw no bad in them whatsoever, and that seemed like it wasn't gonna change anytime soon, if ever.
One of the sisters then went over to Y'sha and forced her to drink a potion. She began to feel the effects, even in her paralyzed state, as she found herself becoming....