If you look at this example, ([Promise list], to Async, map), I think it was a confusing point where logic should come forward asynchronously. <img width="851" alt="image" src="https://user-images.githubusercontent.com/10627668/198498160-ab50b546-6ff5-46b8-9e87-c5f0ecf0f2f2.png"> So I think it would be nice to change it to a more understandable example.