Author: Transmigrated as Extra Ft. Reader System!

A typical young man who happens to be an Author gets hit by Truck-kun thus, he gets reincarnated into his own novel. Not as a protagonist, not as a villain, nor as a supporting character rather He is a no-name extra. But wait, On the very first day, he gets into conflict and gets punched in the face. The Next time he opened his eyes, he heard a mechanical voice inside his head. [ Ding! The Host is too freaking WEAK, issuing Talent REALITY MANIPULATION ] From here on, his journey began to create a big harem.