Urbis Natatilis

Summary:

Umi- strict adherer to the rules, Zumi brushes them aside like dust. Twins that are polar opposites in almost everything in life, including occupation; Guardsman vs bounty hunter. That is, until a blossoming love reveals more about the one twin than even they knew of themselves.

But love isn't the only thing developing; a twisted plot of revenge is taking place from jealousy and disgust. A mad man who has gained power through deception and devious means and plans on taking down everything to satisfy his hunger for destroying two demons.