I know the mage and priest girl are gonna get a lot of flak, but it's not totally on them. This Hero is also sus. He really did make more enemies for her by not telling his party about her at ANY TIME before present. I mean, it's totally normal behavior to have them cling to him for a whole demon lord killing mission and not clearly state his relationship status. Making sure not to tell anyone about his secret girlfriend who lives in Canada, I mean the Capital, that he's engaged to without her knowledge is total gentleman behavior.