Yn
Age 15
Family bts (brothers)
Friends txt
Parents live abroad
Profesion student (training to be mafia)

Bts
Jin 26
Rm 25
Suga 24
Jhope 23
Jim 22
Tae 21
Jk 20
    
Txt
Yeonjun 20
Bemoyuge  19
Sobin 18
Taehuyn 17
Kai 16

Note : txt and taekook are still training they have center where they train people who want to join mafia

What will happen when the boys get to that their sister wants to join mafia
Will they agree to train her
Let's see
Note: txt don't know that bts is yn brothers nor yn knows that they are mafia