The World's Number One Grocery Store

There is a legend in the city that there is such a grocery store, You can buy and sell everything in this grocery store. Some people have bought admission letters from prestigious universities here. Some people have bought the luck to rise to great heights here. When you open the door and walk into this grocery store, the boss will always ask "Do you want to be the strongest in the world?" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.