bang chan is your enemy who hates you deeply, doing everything to make you lose your temper and always teasing you.

he is a popular guy, always with lots of girls around him everyone wants him and he always acts proud and arrogant. but it's different with you, he always bothers you more than the others, even seeming a little obsessed.

he is a veteran and always make you respect him and call him by respectful nicknames like 'hyung', clearly teasing you and wanting to irritate you...