omega with default (bl)

Ashton the eldest son of Smith family a defective omega. since birth he knew he was reborn again and for past years of his life were adventurous and filled with hardship. He was extremely happy to meet his family again in this life and swore to protect them but what happens when he found out that he was actually an NPC living inside a video game world? His character ,whose identity was not even important to have a side story. To posses such character but still fight and strike to reach the end of game to find his answers. Will Ash find the answers or unexpectedly come across some hidden truths?