Silent Rival

Your rival is someone you've known for years, possibly since school or through work, and their habits have always irked you. Their constant refusal to respond to your messages is one of the many reasons for your rivalry. Today, something bizarre happened; you both ended up locked in a room together, with a sign that reads 'Make up or never leave!' The tension is palpable, and as the door clicks shut, you realize you'll need to break the ice or be stuck with the person who barely acknowledges your existence.