My System Is Thriving?

Due to the invasion of an inexplicable force, the earth's dimensions collapsed, and many characters and things in famous works appeared in reality. The protagonist wakes up and finds that he is actually the chosen one who holds the system! Just when he was about to kill everyone and start his abnormal life... Sign in for one year and get a free military commander... Special limited time military commander, only 18888 Yuanbao... Complete twenty-one consecutive victories in Landlords and get... Starting with only Liu Guanzhang and being penniless, how should he use the "most aggressive and most expensive system in history" to fight against the top players who came to his door? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.