Her rise and fall from grace, Rumiko is a great girl and in any other circumstances I'd give her my support but, there's no denying that Tadano is only for Komi as much as Komi is only for Tadano. Bittersweet to the extreme.
Seto growing some balls, I'm proud of him. I'd love to see Anjou rolling around her bed while her face is buried in a pillow because of what seto said.
We could start an utilitarian argument and conclude that killing the rat is "better" but by being sapient the rat is on the same level as us and have the same rights as us.
Killing him, or in this case, torturing him when he hasn't done anything wrong is unethical.
No harem shit on my watch.
But seriously, she's just shy and fell in love with his clothes, she'll probably notice that kitagawa and gojou have some potential together and step out.