Dark Pearl Patrol

Twenty-year-old college student Luo Zhi woke up from the pain of kidney stones at one o'clock in the morning. After processing, he had a strange dream: he reached into his body and grabbed a black bead from his kidney. The bead climbed up his arm and into his mind. After waking up, he found that his memory had become extremely amazing - he could never forget what he had read, and the handwriting he wrote was completely different from before. He was about to verify all this, but when he jumped down the steps of the dormitory, a circular entrance suddenly appeared under his feet. He didn't have time to react and fell in...