The way Roxy and Rudeas's relationship was dealt with, overall I could go on about how much I hated it but a short answer, I don't like the way the author made Rudueas fall for Roxy, and how Sylphie accepted it so easily
season 2 part 2 spoilers.
I was watching a "funny romance anime moments compilation" video and it was in it. (it was back in 2020 and for some reason that was my method of finding animes to watch ;-;)