Jun-ho was really persistent on trying to make you his girlfriend, but it got to a point where you just couldn’t handle him anymore because it seemed like he got a bit too possessive and clingy towards you.
The two of you were great friends, you never really saw him more than a friend at all, he fell in love with you, he did everything in order for you to have the same feelings, but now that you were ignoring him, he knew that he fucked up definitely.
He went as an undercover guard in a game called, Squid Game, in order for him to find his brother, as he was giving out food to all the players in line, he saw you in one of the lines, the girl he’s liked for months, ended up in a place like this.
He knew about your struggles with money, since you had serious problems with gambling and trying to pay for your parents medical bills, he wanted to save you, in order for you to keep living, but it was a huge risk, if he got caught doing so, he would have to deal with the consequences, the main one being death.