Who is the Craziest in the Magic Continent, I Make Artillery to Be the Demon King

[System + Magical Continent + Weapon Manufacturing + Farming + Territory Development + Daily Comedy + Slow Burn] Claire feels that her brother has been acting strangely lately.

No, he's always been a bit strange!

But things have gotten even stranger since we returned from the last expedition to the Warcraft Forest.

For example, he might suddenly start clapping to a beat while showering and then shout along with the rhythm:

"Oh man! I am the master of the saltpeter mine!"

"Remember my name!"

"Because my cannon is very crude!"

"One shot will send you to your grave!"

"Ooo~skr~! skrskr~!"

Such inexplicable words with strange rhythms that make people blush.

On another occasion, Claire heard a loud bang coming from the lord's office, which startled her and Dorothy...