Taehyun is possessive of his boyfriend Beomgyu, whom he's been dating since they were 19. Taehyun, mature and reserved, is drawn to Beomgyu's adorableness but struggles with his outgoing nature, often keeping him close to prevent others from hitting on him. Despite their differences, Taehyun adores Beomgyu's small features and delights in teasing him about them.