This is only a theoryBut i think the teacher wanted to die so he trained so that he can kill him one day , and if it's true that he killed his parents maybe they were cursed or something Also I think the ml is the réincarnation of the teacher
This is only a theory
But i think the teacher wanted to die so he trained so that he can kill him one day , and if it's true that he killed his parents maybe they were cursed or something
Also I think the ml is the réincarnation of the teacher