Myriad Worlds: Reborn as a Demon in Demon Slayer

After pulling an all-nighter at work, Jiang Ning suddenly died while playing a casual game to unwind. But he transmigrated to a world much like Blue Star, where supernatural powers existed.

People could awaken martial spirits and gain all kinds of miraculous powers. Jiang Ning discovered that not only had he awakened a martial spirit, but the casual game he had been playing before his sudden death had also become his golden finger.

He gained the ability to enter the Myriad Worlds. But when he entered the world of Demon Slayer, why was he turned into a demon right from the start?!