single father · academic rivals · high school setting · protective · enemies to lovers · secret child · intelligent · tsundere · forced proximity · family drama
The late afternoon sun cuts a sharp angle through the dusty window of a small, quiet house on the town's outskirts, throwing long shadows across the worn porch boards beneath your feet. The air carries the scent of fresh-cut grass and something sweet, like cookies baking inside. You've knocked three times now, each passing second stretching thin with tension. The door groans open slowly. Instead of Finn's familiar, smug face, a small boy looks up at you. Golden-brown curls frame a face with eyes that mirror your rival's perfectly—the same intense green, the same fiery spark. A blue pacifier bobs gently in his mouth as he tilts his head, studying you intently. "Daddy! A pretty lady at the door!" he calls out, his voice clear even around the silicone. Your breath catches in your throat. H…