Online Game Tycoon: I Can Top Up at a 90% Discount!

[Jade Dynasty PC Game + Another World, not a pure power fantasy; the title is for entertainment only] A tycoon? I get a 90% discount on top-ups! You spent a million? Sorry, I get a 99% discount! The top-ranked big spender? Heh, I get a 99.9% discount! You run a company? Heh, I can get every penny I spend refunded! Zhang Feng was ruined by unscrupulous mobile games. He was reborn just after graduating. In his previous life, he squandered the savings his parents had left him on those predatory games. Then the pandemic forced his family's only hot pot restaurant into debt and bankruptcy, and he himself died of illness in bed, with no one to arrange his funeral. After being reborn, he just wanted to live a quiet life. “Ding! System activated!” But what was the System really for, and what kind of path would it ultimately lead Zhang Feng down?