The Apink members felt empty without Yookyung . Acube's CEO said that he's going to add a new member into Apink to replace Yookyung , the word replace has never been fond to the members of Apink . No one can ever replace Yookyung .The Apink members will be having a farewell party before Yookyungs departure .That was going to be the last time they're going to see Yookyung in 6 years  . 6 years after Yookyung left Apink the now one of the most famous girl group around