Unscrupulous Shop Owners Go to School

The introduction is boring, but I am. The introduction is not fun, I will lend you my tail, it is not mine anyway. The poor writing is not my fault, it's just that there are a lot of pitfalls. It's okay to feel uncomfortable, I don't feel it anyway. If Xiao Zi wants to rise, it depends on your efforts. If you are not used to reading the preface, please start reading from Chapter 5. PS, please forgive me for the slow update, it is definitely poisonous. As expected, every three days, the overhaul begins.