when the twins and twins meet - 쌍둥이와 쌍둥이가 만날 때

Cast

( T-ara ) Park Jiyeon as Im Eu-na ( pronounce Oo-na ) / chilyowa jeoju- a quiet mystery girl who is screative and she's the only one with both, the cure and the curse.

( B1A4 ) Jung Jinyoung as Lee Go Kyung - appear cold on the outside but very nice on the inside

Kim Sae Ron as Im Byeol Bong / In Jeoju - she's the curse. she fall in love with Lee Go Kyung who fall in love with In Euna. But she finally overcome her curse except Euna...

Lee Sung-yeol as Han Sung-yeol - He fall in love with In Euna who fall in love with Lee Go Kyung then slowly he fall in love with In Byeol Bong.