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 reddish haired boy with a large scar on his forehead wearing a odd uniform and checkered patterned haori, he had an empty looking box on his back

His eyes sprung open, staring at the modern world around him; he looked a bit panicked

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