It was all Dongsookie at first, Until Donghyuck had to pretend he was his sister. And keep up the promise, "I wont fall in love with your boyfriend" starts getting harder. Mark was such a gentlemen. And Dongsookie was pregnant.
Raised in the same household, facing the same hardships the Dreamies finally moved into their own house, having used the money they collected by working at various jobs. Grown adults they were now in college but not all happy endings came without a fight. It's not always Beautiful when friends fall for the same person. Haechan.