Vika, who found herself in the body of an immortal caster, spent twelve years improving her skills, went through almost all the dungeons, defeated tens of thousands of monsters and became a celestial. And she was just glad that now she was finally a real Mary Sue, when by chance she was brought to the Academy of a Thousand Worlds, where young gods and goddesses study. And then it suddenly turned out that all her skills were worthless, and any student was stronger than her. In her previous life, the misfit considered school to be hell, so why is she being forced to go through this again?