Kei-soo Park has lived in Korea with Ji Hae-soo, Park Soo-kwang, and Jo Dong-min for a little over 7 years. She is close friends with all three of her roommates. She thinks of Hae-soo as her older sister and of Dong-min as her weird, very weird, brother. Kei-soo is usually very blunt around people she is comfortable with it’s how she shows she cares. Throughout the time she has known Soo-kwang he has been nothing more than a close friend though she doesn’t see him as a brother. She sees him as something more.