Books: I Have an Emulator

Xia Zheming came to a special world, where people will awaken to a book at a certain time. Each book has a special theme, such as elements, medicine, light, etc. Xia Zheming originally wanted to awaken to the light or something, but he awakened to a theme called 'past life'. Just when he wanted to mess up, the simulator came to his door. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.