The Epilepsy System Gives Me Money and I Open a Supermarket in Tiangong

[Campus Westward Journey + Systematic Immortality + Time Travel + Hilarious Madness + Pretending to Be a Pig and Eat a Tiger]​ [Poor high school students vs. A system that looks crazy but is actually far-sighted]​ Zhang Sheng, a poor student, could not afford his tuition fees and was bullied by gangsters. He did not even dare to respond to the kindness of the school belle. At the darkest moment of his life, he bound to the [Crazy Supermarket System] and was able to physically travel to the mythical world and open a "Peach Supermarket" next to the Peach Garden in Tiangong Yaochi! Have the gods never seen the world? A box of glittering peonies was exchanged for the eldest princess's colorful star blue, and the pet locating bracelet made it possible for the second princess's ice frog to never be lost again! [Customer Qitian Monkey King: Use three life-saving hairs in exchange for a modern sniper rifle, and shoot Erlangshen into the sky with one shot! [Customer Third Prince Nezha: Using a personal gold brick and an MRI to prove that the Dragon Prince Ao Bing is not dead at all! [Customer Tianpeng Marshal: He stepped on the sewing machine, changed into a weight loss package + colorful feather clothes, and successfully chased (fooled) Fairy Chang'e! When Mr. Zhang exchanges the star coins he earns from selling snacks and toys for cash, real life is completely counterattacked: transferring money to his parents, asking school beauties on dates, and backhandedly teaching rich second-generation enemies! But he gradually discovered that behind this epileptic system, there was actually a shocking secret of Laisi Technology and Heaven. The territory of Tiangong Supermarket has just begun...