He escapes from the mansion and in Arc 4 or something, Aria dies in a duel with MC. Funny thing is, the author wrote an if story of what would have happened if she didn't die in the duel. And in the If story, Aria in fact couldn't kill MC. And there is also an if story where Aria is just a simple maid, in this version, they fall in love with each other and become a couple.