You are the little Sister of Chan the leader from Straykids. He live toghether with the other Straykids Members Leeknow, Changbin, Hyunjin, Han, Felix, Seungmin and I.N. in the dorm.

Chan as your older brother knows how talented you are and want you as 9th Member in the Group. He told the others about a 9th Member but he didn't told them that the 9th New Member would be you Chan's little sister.

You arrive from Australia and stand at the frontdoor and press the doorbell when....