Tensei Renkin Shoujo no Slow Life - Vol. 3 Ch. 16

[Tavero]

Aren't headwind and tailwind switched on page 32?

It is. Good eye.

I guess mangaka messed up. His knowledge about technologies overall in this manga is rather patchy at best.

 

[Doenyon]

Nah, no way a country that produces cacao and coffee, hasn't already figured out how to make some kind of food or drink from them after thousands of years of production. People will try to eat anything, even poisonous stuff, just in case there's a method.