Suga's sister|||Suga ff

An idol in a group called ,BTS, they are popular for their music, talents, and their skills. But what they didn't know is that Suga, one of the producers in the group has a sister and he hasn't told anyone or revealed her to anyone even his members. But there will be an incident that will be forced to reveal his secret.

What do you think the incident is?

Will they be able to get through this together?