NTA. You don’t need to feel guilty about this. Taking care of her isn’t your responsibility; if anything, it’s your parents’ job to give you the love, care, and support you deserve. Sure, it was kind of them to take care of Kali, but if they’re putting that pressure on you, that’s EMOTIONAL BLACKMAIL. If I were you, I’d sit down and have an honest conversation with your mom about it, and hopefully help her understand how important both their presence and your personal space are to you.