My Invincible Defense: Traversing the Endless Worlds

How do you survive the Endless Worlds? Kill without mercy. Run like hell when you have to. But above all else—make sure your defense is invincible. This is the story of a man who travels across the Endless Worlds. In the Wasteland, he nukes every villain who dares stand against him. In Marvel and DC, he goes head-to-head with Darkseid and Thanos. In The Ring and The Grudge, he confronts Sadako and Kayako in battles of pure terror. In post-WWI Japan, he becomes a yakuza hitman and wages a bloody war against samurai and ninjas across Tokyo. In an isekai world, he sits upon the Demon King’s throne, watching as a mighty hero roars and charges toward him. In the Cute Cat World, he vigorously strokes every good kitty he finds. In… In… Follow his journey as he bears witness to the passage of eons—the burning, destruction, and rebirth of endless worlds. — Description from novelcodex.org