Aldera Junior High is the school where Izuku Midoriya and Katsuki Bakugou go. It's located in Musutafu, Japan. Izuku was born Quirkless, Quirkless people are those who possess absolutely no Quirk, particularly unique features, or anything that would put them under the classification of being superhuman. As of now, they exist as a minority, currently making up approximately 20% of the global population.