The Extra'S Odyssey (bestlightnovel-com)

"When will people understand.... I'm only half insane?" *** I died. But unlike the death I was expecting, I received a piece of good news and bad news. Good News: I reincarnated! Bad News: I reincarnated inside my favorite novel!!! You are asking me why this is bad news? That is because... In this world, even the main…