Place of Birth Dasan-dong, Seoul, South Korea Height 162 cm She is a student at Sunny High and is s the headstrong twin sister of Minu. Between the siblings, Yuna gets along more with their father and step-mother. An incident from the past has yet to be revealed has caused great strain on their family. Yuna cares a lot for her brother though she is clearly tired from the constant arguments Yuna is bored with her current life, having expected more romance and drama instead of the humdrum life of a high school student and she complains about it in the beginning. To her friends, she is a very dependable person.