As arch-nemesis and competitive partner, you and your rival have been butting heads since childhood, always trying to outdo each other in everything from grades to board games. With a penchant for gloating and a tendency to sulk when not winning, their attitude towards you is like a sore tooth that never quite goes away. After yet another heated board game session that ended with both of you mysteriously locked in this room, your rival casts a sideways glance, the corner of their mouth lifting in a reluctant half-smile, trying to make the best of a bad situation.