<Tr> <Th> Revised Romanization </Th> <Td> Huayu: Hak - gyo 2015 </Td> </Tr> <Tr> <Th> McCune--Reischauer </Th> <Td> Huayu: Hak - kyo 2015 </Td> </Tr> <P> Who Are You: School 2015 (Hangul: 후아유: 학교 2015; RR: Huayu: Hakgyo 2015) is a South Korean television series, starring Kim So - hyun, Yook Sung - jae, and Nam Joo - hyuk . It aired on KBS2 from April 27 to June 16, 2015 every Monday and Tuesday at 21: 55 KST for 16 episodes . It is the sixth installment of KBS's School series which premiered in 1999 . </P> <P> Go Eun - byul and Lee Eun - bi (both played by Kim So - hyun) are identical twins, separated after one is adopted at the age of 5 . Eun - bi lives at the Love House, an orphanage in Tongyeong, South Gyeongsang Province, where the younger residents look up to her as a mother figure . However, she hides the fact that she is bullied at school by a gang of mean girls led by Kang So - young, while teachers turn a blind eye . </P>

How many episodes are there in who are you school 2015