Ochikobore Datta Ani Ga Jitsuha Saikyou: Shijou Saikyou No Yuusha Wa Tensei-shi, Gakuen De Mujikaku Ni Musou Suru (Associated Names)

I, Eugene, am the strongest hero in history. After defeating the Demon King, I found myself reborn as Julius, the son of a nobleman. It seems that in this world, I was abandoned by my family as a child with zero magical power. I was compared to my excellent twin brother, cuckolded by my selfish…