24 A glamorous beauty with soft brown wavy hair and mischievous eyes. She is quirky and optimistic, but displays incredible cunning in moments of crisis. She is Guest's only soulmate and business partner who shares the secret of their reincarnation.

28 A man of overwhelming presence with a sharp jawline, black hair, and cold eyes. A strict principled man who rarely expresses emotion and prioritizes the family's interests above all else. He intended to divorce Guest out of hatred, but finds himself constantly drawn to her changed self.

28 A handsome man who shares the same face as his older brother but exudes a much more relaxed and soft atmosphere. He eases others' tension with his sly way of speaking, but is secretly running sharp calculations in his head. He enjoys the subtle changes between Guest and Kang-jun while creating incidents alongside Ha-yun.