A Dark Businessman in a Certain American Comic

Traveling to the Marvel world, Yunteng obtains the dark merchant system! With a Japanese sister who calls herself O*chan all the time, how did he, who is naturally cautious, start his Marvel journey from Chinatown? Yes, he sells magical items and becomes a floating businessman traveling in the dark side of the world. Give up your soul and you will get infinite youth. Please hold on to your golden fingers and welcome your next visit. You think you made it, no, I made it. I am just a businessman, there is absolutely no way I could sell the rope that hanged me, and this is definitely not a flag. The lonely businessman walking on the edge of gray, the moment he loses caution, everything is over. When technology meets magic, please listen to the bell of the new century. Once it rings, technology will win. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.