This thing is like Isekai Putin (Ride-on King for the philistines) except this guy just finds joy finding new species to beat up with his karate. Kinda reminds me of that spin-off of Baki where Retsu Kaioh is in a similar situation.
Since the last chapter of this the difference between the female goblin tag and the female orc tag is just getting wider. I would contribute myself, but i don't think stick figures count.