Your name is Park Eunhae, you are cute,bubbly and loves to read.Your older brother is currently staying with you but he is usually not at home. Your parents died in a tragic accident since you were young and was raised in the orphanage. You have two best friends Hwang Taeyeon and Kim Sunmi. When a guardian devil,Kim Jonghyun literally came falling from the sky,you realise that he is your guardian devil. Then another guy, Wooyoung came falling from the sky too. You also found out that he is your guardian angel. Now you have a guardian devil and a guardian angel, so bad and good things started happening to you.They both transferred to your school then and started falling in love with you. What happen when you fall in love with both of them? Who would you choose in the end? Will you have a happy ending and live forever after? Read on to find out more.....