When this guy pissed off mistress Kira, he had to be punished and she chose to use her pee to dominate him. She had to make sure he was humiliated and that he learned his lesson the hard way. He tried his best to get her to forgive him but she did not do it because she felt that he was using her. That is why the mistress cruelly saw to it that he drank and finished her pee.
Mistress Lola had only wanted to spit on this guy and let him go but he became adamant and he did things that she did not sanction. He was trying to project power but she did not like that. The mistress had to punish him and she did this by peeing on him. He was forced to drink her urine and to smell her farts. He changed to avoid any more humiliation.