Kris is a member of a Korea's newest boy band, EXO and the leader of it's Chinese sub-unit, EXO-M, a kid who was raised in Canada but was born in China and Seohyun is a member of Korea's National girl group, SNSD, she is the maknae of the group

Kris is from a very conservative family despite being raised in a western environment, his parents are very strict when it comes to his lifestyle, they were against Kris' decision to be a singer but they soon realized that their son could be a perfect singer, born as a child without a good childhood was practically ostracized by the other children and grew up to be friendless in Canada, he was practically raised to be a perfect product.

Seohyun is from a very easy-going family who supports their only child, giving her the freedom that every single daughter wants in this world, born as a child without a care in the world but pushed herself to be a mature, introverted person who aims perfection for her and her parents.