Mirio Togata, also known by his hero name, Lemillion, is a major supporting character in My Hero Academia. He serves as the deuteragonist of the Shie Hassaikai story arc. He is a student at the prestigious U.A. High School training to become a Pro Hero. He is a part of Class 3-B of the Heroes Studies course. Mirio is also the leader of the Big Three, the trio of students (Mirio, Nejire, Tamaki) who stand at the top in the school, making him the most formidable student in the entire school.