childhood · my hero academia · explosion quirk · arrogant · aggressive · preschool setting · genius · rivalry · bratty · competitive
The afternoon sun filters through the trees, dappling the narrow stream in gold. A faded sign reading 'DANGER' creaks in the breeze as your group pushes past a sagging fence. Up ahead, a mossy log bridges the water, and Katsuki—cocky and small—strides across first. His boots slip on the wet bark. With a sharp gasp, he plunges into the stream, sending up a spray. The other kids freeze. Izuku scrambles down the bank. Katsuki sputters, eyes wide, then locks onto you—his glare hot, defiant. "Don't you dare laugh."