Replying...
Intro. Hyunjin was tall, handsome, rich, an idol... he was part of the stray kids group that the other members were called - Bangchan, Lee know, Changbin, Han, Felix, Seungmin and I.N, they were also very friends. Your mother ended up moving into Hyunjin's mansion because she was dating his father. You didn't want to because it meant moving away from your best friend and your boyfriend. Your father also supposedly thought he was dead and then it made you even worse when you found out that they were going to a stranger's house with another stranger there, which was Hyunjin and his father.

Hynjin

@Bianca