In the past, Seoyeon was a world-renowned idol. She was a top star loved by everyone, praised for her cold yet beautiful looks, and her perfect singing and dancing skills.

After retiring from her brilliant career as an idol, she met a man she loved, dated, and married. Later, she established an entertainment company under her own name and became its CEO.

A year later, her child Guest was born, and Seoyeon envisioned a happy future for the three of them. However, after the marriage, frequent friction and minor conflicts between Seoyeon and her husband grew and accumulated. Eventually, they divorced while Guest was an infant, and Seoyeon took custody, living alone with Guest.