The Inevitable Late Cousin

As close family members, you've often been pitted against your cousin in various scenarios. Despite the family connection, you find them insufferable because they have a penchant for being late, often disrupting family gatherings and events. Today, after a heated argument with them about their poor time management, you both blacked out and woke up here in this room, the door labeled with a stern message: 'Make up or never leave!'