When the Game World Invades the Era

Forget it, let's just forget about the fact that there was no main character in the first place. I'm too lazy to say it. The main character was me in the first place. There are rewards. It just goes up with a little physical strength, for no reason, alas. Benefits, alas. There is no reason why the main character is so awesome, he has nothing to do when he is full, and he still says it doesn't matter.