"In a post- apocalyptic wasteland, mercenary Ethan awakens the weakest Love System ever. But the target bound to his system turnsout to be Emily, an SSS-rank high-level mutant. A handshake earns him fresh meat. A first kiss grants him a vaccine. And a bondunlocks a genetic evolution serum. While others can only strengthen one ability at a time, Ethan can unlock every resource bytaming a beautiful mutant. As her Affection Level skyrockets, the once-feral beast slowly bows to him. But her gaze growsincreasingly dangerous-and increasingly passionate With the Love System, Ethan rises from a wasteland mercenary to become
the ultimate King of the Apocalypse."