He's a Deliveryman! How Did He Become the Capital's Young Master?

[No System + Urban Fiction + Satisfying Wish Fulfillment + One Heroine + Not Reborn + Sweet Romance + Winning Over the Cool School Beauty + Top-Tier Tycoon Heir + Lighthearted, No Angst] Shen Mu was already one of the top rich heirs in the Xia Kingdom, raised in luxury from childhood. And he certainly lived up to expectations, sharing the most common trait of rich heirs: spending money! One day, on a whim, Shen Mu went to a bar in the capital to splurge. Caught up in the moment, he waved his hand and declared, “Come on! Everyone here tonight, your tab's on me!!” With just that one sentence, Shen Mu spent more than twenty million in a single night! But under pressure from public opinion, his father eventually kicked him out of the house. There was no changing his mind about not letting Shen Mu come home! Shen Mu could only complain, “Come on! I'm spending my own family's money. What does it have to do with you?” But just as his father sent him off to Yun City, someone appeared and completely upended Shen Mu's state of mind! Su Qingcheng! Wherever she went, Su Qingcheng was always the center of attention, the girl every boy dreamed about! And yet, this very girl had once been close friends with Shen Mu when they were little! But as they grew up, Shen Mu's personality drove them further and further apart. Su Qingcheng: “Shen Mu, can I marry you when I grow up?” Shen Mu: “No!” Su Qingcheng: “Waaah, why not? I want to marry you!” Shen Mu: “When I grow up, I'm going to marry a Gundam! I'm not marrying you!” Many years later, Shen Mu stared at the cool, aloof Su Qingcheng before him, astonished. “Y-you said something like that to me when we were kids?” Su Qingcheng: “Cut the nonsense! Are you going to marry me or not?”