My Status as an Assassin Obviously Exceeds the Hero's Manga, Vol. 5 by Matsuri Akai
The story goes on. Spoilers for the earlier books ahead.
Akira and Amelia get to the beastmen's land. Night, it turns out, has a reputation there from a prior attack. Akira tries to get his sword fixed and into the dungeon to get experience. Amelia tries to get training. Complications ensue. History is revealed. A satisfying degree of progress.