Treasure mafia

Intro you're college student who major in multilingual language.one day at your neighborhood,there has a murder case.the new mafia group had search for a new target and the target must be a girl.the member of treasure mafia is: hyunsuk jihoon junkyu yoshi jaehyuk asahi doyoung jeongwoo haruto junghwan they are very evil.you just moved to the neighborhood and not knowing about the mafia group.