Shitennou Saijaku datta Ore. Tensei Shita node Heion na Seikatsu wo Nozomu
四天王最弱だった俺。転生したので平穏な生活を望む
Ranga was a powerful ogre who rose to become one of the four elite demons in the land. His fellow demons betrayed him, leading to his death. He is then reborn as an ordinary human. With the memories and abilities from his past life, he begins a new existence.