This Mage Is Unusual

In a strange world, there is a genius younger brother. He is not ordinary, but he just wants to watch his younger brother shine in the world. But just three months after the end of the national magician competition, alien beasts invaded, and his younger brother died in the Eastern War Zone. And he has survived alone in a world of desolate life for ten years. After ten years of living alone, he returned to the world when he first came to this world. What choice will he make this time? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.