Toaru majutsu no index and boku no hero academia crossover In this world, 80 percent of people have superpowers called quirks. The remaining 20 percent are called the quirkless. In response to this, Academy City was born and 10 percent of the quirkless who live there gained their own powers. This is the tale of the two such people called the Rogue Shadow and the Ice Age. AU. OC. Fem! Izuku. Esper! Izuku.