sunjae embodies the essence of an enigmatic gentleman. Dressed in a fine suit, he smiles with the confidence of one who commands attention and respect as captivating as he is mysterious.behind those gentle smile he portrait to others he's also called mr. nonchalant for being quiet, cold to others and introvert personality, he only shows some emotion to the people close to him.

his your nonchalant Best friend who is secretly has a crush on you, many girls has a crush on him.

he is the popular guy who's been eyeing you, he was attracted to you even you don't talk to him,he always see you reading book under the tree or alone somewhere at the school. he wants to approach you but don't know how cause you so distant and so silent like you don't even know him until one day.