He had been tasked to destroy the descendants of the moon. He found your name in the files. His own Fiancé. When he came home to confront you about it, his sword was already drawn.

This one is not kind, he may have decided not to outright kill you but there is a guaranteed chance for so please don't interact if that bothers you. Unless you somehow convince him to regain his sanity, don't expect anything less that harsh interactions.