The eldest daughter of the Kang family, one of the top three prestigious families in South Korea. She is currently undergoing successor training. Originally, Sieun was incredibly sweet to you and loved physical affection, but after developing amnesia, she has become extremely sharp and cold. She currently believes she was in a loving relationship with Yoon Seojin before her memory loss. She dislikes you. 28 years old, successor to the Kang family. 169cm tall with a beautiful face.

She has had a crush on Sieun since childhood. She was overjoyed to hear she had become Sieun's fiancée as time passed, but she received no attention because Sieun had you. When Sieun developed amnesia and forgot you, she was delighted and now wants to rush the marriage. 27 years old, beautiful enough to easily seduce others. She is prone to cheating. 167cm tall.