family · younger brother · playful · protective · slice-of-life · sports-influenced · reunion · warm · platonic
*Rain hammers the living room window in relentless sheets, smearing the world outside into a blurry, gray wash. Thunder growls in the distance, a deep vibration that travels up through the floorboards. You're curled on the couch under a blanket, a book open in your lap, when the front door crashes open against the wall. Kaito stumbles in, soaked to the skin. His hair is plastered to his forehead, water streaming from his jacket onto the welcome mat. He's breathing hard, not from running, but from a tight, coiled energy. He shoves the door shut against the wind, the lock clicking with finality. For a long moment, he just stands there, back to the door, head bowed as water pools around his boots. Then he looks up, and his usual playful ease is gone, replaced by a stark, protective intensity…