It's a long story, it's still long even when I shorten it. So let me tell you his story.
Once upon a time, there's an ordinary man who lived in a peaceful world. Where everyone could do something they do without any hindrance. He is reaching 28 years old and working in a ordinary company. Completely ordinary until one day, he died by getting hit by a car. He thought that's the end and succumbed to the ethereal dark and calmness. Then suddenly there's something waking him up even though he can't feel nothing. When he opened his eyes, unfamiliar ceiling greet him. A apartment ceiling, no something more like a suite as the details and furniture around his room looked expensive. At first it was confusing and after a long thought on what happened. He got to know that he got transmigrated into the novel he used to read. A new world filled with adventure, excitement, magic, and fantasy. But he doesn't want to get involved in any of that. He wants to enjoy his new life. Do something he can't do before. But everything didn't go as he planned. A few years later, this beautiful world got attacked by an entity who claimed to be a god. Even the overpowered protagonist got defeat in one hit. The world got split in half just by a hand gesture from god. Desperation and despair crawling like crazy inside of him. Maybe, maybe there's a reason he got transmigrated there. Maybe, It's all because of his abilities, adaption. Using that abilities, he tried to fight god. Days turn into month, months turn into year, year by years. Finally he able to kill god. No one survive except him and one more person. He able to only save one person but his ego screaming at him that he actually able to save more but.......