After delivering the food, I was a little worried about getting a bad review. That man clearly didn’t look easy to deal with. It wasn’t that I was afraid of losing money—I just knew the shop owner had it hard, and I didn’t want his business to be affected by a single bad review.

But just as I received the notification for my next order, a five-star review came through.

The director watched everything from the control room. His head buzzed—it felt like some strange new door had just been kicked open. He could see the merchants’ information on his end as well.

When he noticed that I had accepted...