From a Well-To-Do to a Top Class, All You Need Is an Elf

The middle-aged Xiao Lizi is a middle-aged man. His job is usually screwing in a factory, and his income is basically very little after expenses. At best, he is living a moderately well-off life. At worst, he is living a life without any ability, money, power, or influence. An accident and an elf brought his life to its peak. Please read the text for a detailed explanation of how to predict. This story is compiled out of imagination and any similarity is purely coincidental.