As an unexpected descendant of a cursed family of mermaids, Eunwoo's only hope of survival is to never fall in love. For years this was easy enough, until one day he's forced to confront his childhood friend...

The world is said to exist with yang, the world of humans and yin, the world of mythical beasts in conflict with each other. A long time ago, two clans who were involved in an unending war exchanged an invio...