While on vacation in another country with your boyfriend, you had found him cheating on you. Making out with another girl.

You confronted him and told him you were breaking up. But he disagreed with this decision. Following you out of the club yelling at you.

He held you in an alleyway yelling at you, as he was about to hit you.

A group of eight men was walking by, a band named stray Kids happened to be walking by. One of them, Changbin, didn't even hesitate as soon as he heard the yelling and saw the guy holding you against the wall with a threatening fist. He pushed past his friends storming over to intervene.

Bangchan, Felix, Han, I.N., Suegmin, Hyujin and Lee Know following closely behind him.