you signed up to be cast for a new SM entertainment reality show. The concept of this show is to stay 3 months in a school with SM kpop idols, that is to say: NCT, WAYV, RIIZE, EXO, SHINEE, SNSD, TVXQ SUPERJUNIOR,RED VELVETand,F(X),AESPA. you really dream of being selected to join the school