The Boy Who Became the World's Strongest Sorcerer Enters the Academy of Sorcery (E01)

Ray White has inherited the title of the world’s strongest “Iceblade Sorceror”. 3 years ago, he suffered a deep emotional wound and left the battlefield to go into hiding. Now, he’s concealed his identity and has enrolled into Arnold Academy of Sorcery. However, as the sole person at the academy from a lowly family, he gets disdain from the noble-born sorcerors. But he also meets Amelia Rose, the daughter of the most prominent of the three big noble families, a half-elf named Elisa Griffith, and thus his life as an academy student begins… (Crunchyroll)