Imagine waking up to find your world replaced by a terrifying survival game, where monstrous creatures lurk just beyond your door. In NichiYa's *Infinite Game - Start With SSS Rank Class*, that's the chilling reality facing humanity, dragged into a mysterious tower defense scenario where death waits around every corner. Our protagonist, Rover, finds himself thrust into this brutal new world, but a stroke of luck sets him apart. He awakens with the Omni Mechanic class, an SSS-rank ability that grants him the power to upgrade… well, just about anything. By using a special ability, [Relax], Rover can generate Omni Points, the key to transforming the mundane into the extraordinary. From a simple wooden door to an impenetrable divine gate, from basic turrets to radiant protectors, Rover uses his power to fortify his safe haven. But his upgrades don't stop there. He even turns the tables on the monstrous threats, twisting zombie viruses into awakening serums and normal zombies into hell lords. And let's not forget his harem – a group of companions who not only defend his sanctuary but also contribute to his Omni Point production, growing in strength alongside him. In a world defined by despair and constant struggle, Rover has carved out a surprisingly comfortable existence, almost like a luxurious vacation amidst the apocalypse. But how long can his good fortune last? Dive into *Infinite Game* to discover the secrets of the tower and the limits of Rover's incredible abilities.