Helios and Sei are two rebels who honestly want nothing to do with each other, due to their rivaling empires in their world. By a strange coincidence, the two of them are assigned together by the king to retrieve the relic of Janus to balance the peace between empires. With this relic, you can also rip apart the very fabrics of the universe. Will the relic fall into the wrong hands? Will Helios and Sei ever get along? Will the war between empires ever end?