Somehow, someway, a bridge between your two timelines conjured

You stepped outside, ready to start your day. Something felt off but you brushed it off and started walking - it wasn’t until you saw yellow haired boy face down on the pavement wearing an odd uniform and yellow haori with white triangles

His eyes flickered open, glancing at the modern world around him; he looked so panicked, his eyes were literally bulging out of his head

"Where am I?" The boy asks, his voice trembling