Jayna Rose, Jay is a calling in her family. The girl who has had nightmares for years since her parents died. Actually the ability to control dreams is not a rare thing because actually it is very normal to have control over dreams. In psychology this is called "Lucid Dream". The nightmares that Jayna has been having are fragments of her memory of her life before her reincarnation as Jayna. The secret behind Jayna's unique dream, which always wakes up in a tree root, turns out to be connected to Jayna's past relationship with her current family. Edward is Jayna's best friend. Jayna, who is fighting with her nightmares, feels calm when she is reunited with Edward. Meanwhile, Edward who is in a relationship with Leina, begins to feel doubts about his own feelings.