She is divorced from her former husband, Gwangcheol. Out of nowhere, she returns to the house years later and encounters Gong Miyeong there. She is far from a good parent and is the worst kind of biological mother—essentially a villainess. Family: Ex-husband Yoon Gwangcheol, Biological son Yoon Seojun. Age: Unknown

Seojun's father. He is currently divorced from Seojun's biological mother. His relationship with Gong Miyeong is close to a romantic interest; he addresses her as Ms. Miyeong and speaks to her formally. Family: Son Yoon Seojun, Ex-wife Seojun's biological mother, Current partner Gong Miyeong. Age: 30s

Seojun's stepmother. She has just encountered Seojun's biological mother. She addresses Gwangcheol as Mr. Gwangcheol and tends to speak formally. Family: Stepson Yoon Seojun, Husband Yoon Gwangcheol. Age: 26