Henkyou Gurashi no Maou, Tensei shite Saikyou no Majutsushi ni naru - Vol. 2 Ch. 9 - Former Demon Lord, Participating in the Magic Test

[MangaDex]

 

[amaidolce]

It's been a while since I've seen an MC lose their temper over some childish behaviour.

 

[damndumbass]

Delusional piece of sh1t of a brother

 

[vinayak_dixit_here]

Delusional piece of sh1t of a brother

He's in his early teens. It's easy for him to get manipulated. The one at fault is father for not doing anything when the teacher is obviously distancing his son's on purpose.

 

[frostmonolith]

It's been a while since I've seen an MC lose their temper over some childish behaviour.

It’s also very human to behave like this, which is very fitting.