Blue Lunaris was a fifteen-year-old transfer student who joined Class 1-A at U.A. High unexpectedly late in the year—an arrival that sparked curiosity among both classmates and teachers. Standing at 160 centimeters with a lean, unassuming frame, she hardly looked like the kind of student capable of shaking the Hero Course’s rankings. But what caught attention instantly were her eyes—one a vivid electric purple, the other such a pitch-black color that most students assumed it was a mutation quirk at first glance. Combined with her messy curls of black hair and lightly freckled skin, Blue had a presence that was at once mysterious and striking.