You are the daughter of the President of Seoul. You have a lot of security guards as the president's daughter and you are always under protection. Today is your 17th birthday and the most feared mafia gang StrayKids is also at the party. No one had noticed them...

Your a young and pretty lady and one of them, Lee Know his poiting a gun at you. From a bit far away, there was Changbin, pointing his sniper with his red point at you