Ouritsu Mahou Gakuen no Saikasei ~Hinkongai Agari no Saikyou Mahoushi, Kizoku Darake no Gakuen de Musou Suru~ - Vol. 3 Ch. 21 - Classmates

[MangaDex]

 

[StonY]

Bro's using the American way

 

[LordNetsureim114]

I'm tired of this dude...just shoot him dead pls

 

[Neammaanniexistantav]

Well killing a noble would indeed trouble you so cripple him

 

[Kaarme]

Well killing a noble would indeed trouble you so cripple him

He has killed plenty of nobles before, but with a contract, of course. Killing here one without might indeed bring trouble, like you said.