I'm 90 years old and the system tells me it's time to create harem - Chapter 10: The power of money

This is the story of a young boy who steps into the world of immortals.If you love Fantasy and cultivation novels, then you can give it a shot.It will be slow paced in start, but I will try my best to not make it too slow, that it might become unbearable to read.The main character (MC) will be a lone individual, avoiding excessive social interactions, including friendships.This is my first novel, so please forgive any errors. I will do my best to make it as error-free as possible.Do remind me in the comments for any errors.

A mysterious force has descended upon Earth, giving birth to another terrifying civilization. At the age of eighteen, everyone is forcibly sent into the Horror Game World. While people struggle to survive, submerged in fear, Qin Nuo discovers a unique ability: by influencing the emotions of ghosts, he can earn rewards from the system. Moreover, with each completed mission, he can establish his own enterprises within the Horror World.Thus, Qin Nuo's journey begins:Working as a server at the Nether Springs Restaurant,Serving as the attending physician at the Death Hospital,Becoming a waiter at the Netherworld Hotel,Teaching at the Terror Academy...As Qin Nuo zealously completes one mission after another, he eventually realizes that he has become a formidable figure in the realm of ghosts.

What would you do if you were transported to an academy where becoming immortal was possible? Where magic spells and swordsmanship were your courses and fighting zombies and wars were your exams? Dawn Academy was no ordinary learning institution and Xiao Lin was about to find out how mysterious and exciting this magical academy really was.

Chen Tong is punished by a Demon God to go to each world to be various kinds of spirits, fortunately regardless of what to cross, he is good at using demon spirit magic, healing, prophecy, psychic, all kinds of strong flaunting off isn’t good.