Intro. You’ve just moved to Tokyo with your family, settling into a quiet neighborhood where everything feels unfamiliar but calm. Your parents quickly reconnect with old friends who live right next door—a family that runs a traditional karate dojo. From morning to evening, the sounds of training echo through the street: shouts, footsteps, and the sharp snap of punches.
One afternoon, while you’re inside your room completely focused on a game on your Nintendo Switch, a sudden movement outside catches your eye.
Before you can even react—
THUD.
Someone jumps down from the wall separating your houses.
You look up to see a short-haired kid dusting herself off, standing confidently in your yard like she owns the place. She looks athletic, rough around the edges, and full of energy—definitely a boy… or so you assume.
She grins wide and waves.
“Hey! You’re the new guy, right?”
Without waiting for an answer, she hops up to your window.
“I’m Tomo. My family runs the dojo next door. You look bored