One thing I love about this manga is the high level of consistency in worldbuilding and storycrafting
The inn is slashed open by the katana? It's still there in the next chapter and Rudy tries to take responsability for it
Rudy creates weapons on a whim? It actually costs her money and she can...
The writing in this chapter is really really good, that feeling when you're aware of being in a bad mood but can't help saying harsh things, plus the slow shift during the conversation, ending in a big smile without realizing.
Brilliant!
I like to believe that you truly attain maturity when you no longer care about what makes you or not look like an adult, and this chapter is a good example