Tipping for Cashback: My Battle of Wits with the Dog System

【System + multiple heroines + livestream gifts】 Su Yu, an orphan who worked as a food delivery rider, got angry while watching a livestream one day and received a gift-rebate System. He thought this was his chance to take off, only to discover that the money this damn System refunded could only be used to send gifts... From then on, his life became a living hell... Online, he was a famous tycoon. In real life, he still had to deliver food all over town to help pay the rent... “Brother Su, our guild competition is tomorrow. Won't you help your little sister out?” “No problem~ But that streamer sent me a piece of furniture yesterday, so I have to go pick it up tomorrow. I might not make it in time.” “What? Who sent you furniture, big brother? Wait, I just saw two men's suits I like. I'll buy them for you right now!” “Hmm... I never thought Brother Su had such refined tastes. You actually like renting a room at a hotel like this. I guess rich people really do keep a low profile~” “Ahem~ I like the rustic vibe~” “King, can I join the playing-card team?” “Hmm... Your spending power only qualifies you to be the Two of Diamonds.” “Who exactly is this Su the Great? How did he manage to outspend even the prince of the White Elephant Kingdom? Find out who he is, now!” “Damn System, you've got your clever plan, but I've got my own way over the wall. I, Su Yu... should probably go get this illness checked out first...”