My Doomsday Rebate System Made Me Rise

Dumped by his ex-girlfriend, the down-and-out hacker Morty turns his life around with a Rebate System that gives him massive returns whenever he gifts supplies to high-value targets. When pushed to the brink during a deadly trial, he kisses a female zombie in front of everyone and unlocks the Titan Body. He even helps synthesize a reversal serum that could save humanity. But does the ex who betrayed him still have a chance to win him back?