Disappear
One day, Kim Yeo-joo, the younger sister of BTS's Kim Nam-joon, suddenly appears and is left to BTS's care.
And BTS can't accept Kim Yeo-joo, who has entered their world without permission.
Yeo-joo can't speak, and BTS won't listen.
The very contradiction.
Will Kim Yeo-joo be able to survive there?
