[Quick Transmigration] Veteran Cheat User

This story is made up of the following: A clever, shape-shifting, black-and-cute System orb. A Host with a rather eventful past and plenty of cheat abilities to show for it. A powerful top who keeps secretly planning to repay a life-saving favor by offering himself. P.S. The author's writing is limited and the logic is a bit naive, so please don't make personal attacks. Thank you! Updates are irregular for now.