Sulli, f(x)'s giant baby, decided to have a sleepover and invite her closest friends. Practically a lot of SM artists live in the same apartment building. At least f(x), SNSD, SuJu, and SHINee were some of them so it wasn't that much hard to plan everything. Sooyoung, SNSD's ShikShin, has been head over heels for Kyuhyun of Super Juni