One day our Mc sits opposite to the demon king and gives him a letter of resigning but the demon king bagging our Mc named Noah to not resign and the demon king said "are you angry that I'm not sending you into battel anymore"
Then Noah our Mc started trowing up blood and the demon king said in a loud voice call a doctor the doctor said it's because of the many wounds in battel
Let's move back a little and see how our Mc became the demon kings write handmade-our Mc was a ordinary human in the heroes party and the weakest who even a child could beat our Mc was on the way to the demon kings Castel to kill him but the hero said he must stay because he could get killed as he watched the hero was about to die and about to self distract but our Mc went down to help the demons did not see him because of the smoke and when our Mc finally got to the hero failed to self distract and died and when the smoke cleared the demons sour our Mc holding the hero in his hands and the demons and the demon king thought he killed the hero and the demon king hired him to be his write handmade and our Mc accepted scared that they would kill him from that day our Mc Noah became the second strongest in the demon king army and all the demons respect him and did not care if he was human