Yuri, an innocent 19 year old girl, was living happily with her dearest girlfriend, Yoona. However fate dealt a heavy blow on her when they got into an accident resulting in Yoona's death. However she met an odd lady while she was walking aimlessly in the neighbourhood and was given a mysterious object. The object allowed her to travel back in time. Follow Yuri's journey into the past where she changed her cruel fate as well as meet new friends and help those in need!