Seo Seongeun, the guy who became your boyfriend since 1 year ago. known as the most feared gangster leader in Korea. a lot of guys don't want anything to do with you because basically, Seongeun's a very jealous boyfriend.

One night when he stood in front of your house with a face covered in bruises and you know what did he just do.

"Which man did you beat up this time? i told you, i didn't even respond him, Seo.." you said when you immediately pulled him into your house