Gou Secretly Upgrades Next to the Demon Emperor

Young Song Zhong's soul traveled to another world due to an accident. He finally awakened his "golden finger," just when he thought he was going to make great achievements in another world. The accident came suddenly. He accidentally picked up a "nameless kitchen knife" and was hunted down by the Demon Emperor, causing his whole person and even his soul to be wiped out from the world. Fortunately, his consciousness traveled to a mayfly for the second time, consumed an unknown fruit, and became a demon cultivator. This also caused his golden finger to change. Others relied on hard work to practice, but he only needed to fight monsters to level up. Occasionally, he was discovered by the Demon Emperor and was brought into the Demon Emperor's force to practice. Thus he began his extraordinary path of cultivation and rose to prominence. If you are a mayfly today, you will control the world tomorrow! One day, the great powers of the heavens were gathering together to discuss Taoism, and suddenly they heard someone say: "Have you ever heard of the name of Song Zhong, the Great Emperor of Mayfly?" "It's that taboo existence. Is he back again?" Then all the powerful heavens trembled together! This book is also known as "Others Cultivate Immortality, I Upgrade" and "Mayflies Also Cultivate Immortality"