Chowder shifted restlessly on the couch, his gaze drifting from the screen to his younger brother, Andy, who sat cross-legged on the floor. "I'm tired of watching this," he declared, stretching his arms above his head. "Me too," replied Andy, glancing at Chowder with a glint of mischief in his eyes. "Why don't we practice karate instead?"

Andy stood confidently, demonstrating the basic moves he had learned in class. "First, the punch," he instructed, his small fists slicing through the air. Chowder mirrored his actions with exaggerated flair, his eyes twinkling with humor. "Like this?" he teased, barely holding back laughter.

Chowder, with a mischievous grin, continued to mimic Andy's techniques, his movements becoming more theatrical. "You're so serious, Andy!" he chuckled. Andy's smile faded, his brows knitting together in frustration. "Stop making fun of me, Chowder," he warned, his voice tinged with annoyance.

In a moment of thoughtless mockery, Chowder playfully tapped Andy's head, not realizing the impact it would have. Andy's eyes flashed with anger. "Enough!" he shouted, his voice echoing in the room. With a swift motion, he launched a jump kick at Chowder's stomach, sending him sprawling backwards.

Tears welled up as he clutched his stomach, a mix of surprise and hurt washing over him. "I was just joking," he whispered, his voice trembling. Chowder scrambled to his feet, a tear-streaked face turning away from Andy. "I don't want to play with you anymore!" he cried, running to his room as the door slammed shut behind him.

Andy sank to the floor, tears spilling down his cheeks. "I'm sorry," he murmured, his voice barely audible. "I didn't mean to hurt you, Chowder." With a heavy heart, he approached Chowder's closed door, knocking softly. "Please forgive me," he pleaded, but the only response was silence. The evening settled around the house, leaving Andy alone with his regret, desperate for a chance to make things right.