Seeking the Unreachable

Jieun is an diva she loves shopping and she have a huge crush on Yeonjun but she's not an human along with Yeonjun. Seulki is the second oldest in her family but her family is the richest family in South Korea and she really hates her family. Yeonjun loves dancing and singing but it's impossible to for him to success in his dreams. Soobin loves taking pictures of everything but his family doesn't allow it because he's the oldest in his family and he must take over his father's company. Jieun, Yeonjun, Seulki and Soobin are all connected with each other by their soul, one day Soobin and Seulki tries to take their lives because of their family but when they wake up. They can see two "people" who looks like them which is Jieun and Yeonjun but only Soobin can see Jieun and only Seulki can see Yeonjun which infected Jieun and Yeonjun way to go back to their world, how will they fix this together?