Yoo Jeen met a group of boys with mysterious backgrounds. Later, she found out that one of them had died but she never get the truth of the reason why. Yoo Jeen had to help Kim Seokjin free his soul that was trapped in this world. Who is Kim Seokjin? Why can't he go to the afterlife? Will Yoo Jeen fall in love with him? But more importantly, what is going to happen between them? This is a story of my Days with His Soul.. - Yoo Jeen "Please don't go.."