Laconic / Tales of Vesperia

He's a Badass Anti-Hero who fights The Empire through questionable means. She's a Princess Classic whose world is out to break her in countless ways. They Fight Crime (and some Eldritch Abominations).
Go to the abridged version here.
http://tvtropes.org/pmwiki/pmwiki.php/Laconic/TalesOFVesperia