You Told Me to Travel on a Shoestring, So I Made a Punk Girl Rich

[Highly recommended: four locked-room novels] [Multiple heroines + tycoon + face-slapping + romantic rivalry] During summer break in his second year of college, poor student Yuan Xin went on a budget trip to the mountains to clear his head after his girlfriend cheated on him. He took a slow green train. To his surprise, crammed in beside him were... “spirited girls” dressed in flashy outfits, each with a different hair color. He thought the ride would be unbearably noisy, but then he realized they were so broke they couldn't even afford instant noodles, and were swallowing hungrily as they watched them. Feeling a little sorry for them, Yuan Xin emptied his pockets and bought them a cup of instant noodles. [Ding! Heart-to-Cashback System successfully bound!] [Spend 20 yuan on your target to trigger a tenfold Lv. 1 cashback. 200 yuan has been credited!] Yuan Xin froze. From then on, the wheels of fate began to turn. At the foot of the mountain, he bought sunscreen, rented tents, and treated the girls to meals at farm restaurants, making sure they enjoyed every step of the trip. The girls gathered around him, calling him “Brother Xin” over and over. Yuan Xin sighed. “I went on a trip, so why does my money keep multiplying, and why am I becoming a different person?”