Fics like The Cosmic Academia: Auroris!

Two million years ago, the dictator Elders of Velaxar outlawed natural birth, fearing the emergence of a Velax ten times more powerful than their totalitarian rule. When Jorim and Lara Velis defied the sacred laws to conceive their son Elpis, they paid with their lives—sending their newborn child across the stars in a desperate bid for freedom. Landing in Mustafu, Japan, the infant was found and adopted by Inko Midoriya, who named him Izuku. Diagnosed as "Quirkless" and tormented by his peers, Izuku grew up hiding a secret that defied Earth's understanding of biology: he wasn't human, and he wasn't powerless. He was an organic energy battery charged with the very birth of the universe itself. Now, equipped with a 230 IQ, a heart of gold, and powers rivaling the gods, Izuku enters U.A. High School under the hero name Auroris. While navigating hero training, holding back his strength to keep his classmates safe, and protecting Earth from villains, a shadow looms in deep space—because Elder Parallax has never stopped hunting for the natural-born child.

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