Wandering into Reincarnation by Mistake

It tells that in the future world with advanced technology, people have many ways to play online games. This time, the protagonist is sucked into a different world in the game with his whole body. If he is killed by the player, he will be permanently erased. In order to survive, he begins a journey of becoming stronger. Finally, by accumulating fairy points and levels, it is possible to return to the real world. . .