Roy Ackerman is a professional gamer of Infinity Online.
But now he has reincarnated from the past for an unknown reason.
He has seen the Apocalypse that will happen in the far future. And all his friends perish and his sister has been killed by his own hand.
But this time will not be the same. He ensured it will
And using his previous experience and talent he determined to become a peerless existence and save humanity.
But he isn't alone in this time.
[Author's note: The cover art is definitely not mine. I post the source below, if the original author wants me to take the art down I will.
https://www.pixiv.net/member.php?id=9123968]