Well, between the ara ara milf succubus and Lilia, I'd say Lilia just because despite being a succubus, she's only been with Theo up to now. Loyal succubus who's only been with you is something that can't be beat, no matter how much thicker the milf succubus is, she's been ran through by the entire town of adventurers lmfao. Either way, going back to the story ... are we forgetting that in the first chapter, Lilia said herself that the succubus attacking the town was killing people for pleasure? And somehow now we're just accepting that she only did it because she couldn't be satisfied? Either she's lying and trying to seem sympathetic to an extent, or it's an oversight on the author's part. Either way, it's weak writing because how the fuck is both Lilia and the MC going to forget what they just talked about regarding the milf succ?