"My dear, dear Kai. Would you make a bet with me?

"For one more chance i would do anything."

"Then...Conquer this world and then at that time i will give you whatever in this world you desire the most."

"then...My God your will be done."

.....

Giving another chance at life Kai sets out to fulfill the contract placed upon him, all the while descovering an inknown world a world full of mystery things beings he never in his wildest dreams beleived existed.