The Female Sword Saint's Serious Journey to Conquer the World

This is a planar world similar to Azeroth. This book is also known as The Beast-Eared Girls Collection from Another World, or The Complete Guide to Scientifically Creating Beast-Eared Girls.

So, what do you do when your race doesn't have enough food?

No problem. We can make some goat-horned girls who produce milk, ensuring an ample supply of dairy.

Then what do you do when your race doesn't have enough clothes?

That's fine. We can make some spider girls who spin silk, producing genuine silk fabric~

And what if we also need tunnels dug and someone to stand guard?

Well, aren't long-eared rabbit girls who are good at digging tunnels just perfect for the job?