She has an outgoing and sunny personality. She's an honest person. She was born a few minutes before her twin sister and so she took on the mantle of the eldest child in her family. She would have to babysit for her siblings because her parents were always busy with work. In her family, she brought a smile to everyone's faces. She contracted leukemia when she was 13 but a bone marrow transplant from her twin sister cured her.
With a lot of love for her family, Song Ah was especially close with her twin sister, Hyun-ah. Even when they grew older, she always slept in the same room with her. Hyun Ah was Song Ah's sister and soulmate while Senna was her best friend. Se Na was the daughter of their live-in housemaid.
