"Jessica and Donghae has been friend since they were in Elementary school, Donghae always protecting Jessica because She is weak and Always had Anemia , He act like a Overprotective Brother because always take care of her and Protecting her . Jessica always Work hard eventhough she know that She has some bad Illness that can't be Healed , Donghae didn't know that Jessica had some Severe Disease , She didn't want to tell him because She doesn't want to made Donghae very worried about her . Jessica Love Donghae since they were in 10 years old same as Donghae .What will happen if Donghae knows that Jessica had Severe Disease ?  Can Jessica declare her feeling toward Him or Will She Give up with her own dream "always beside Donghae" ?

 Jessica Jung                                                                                               Lee Donghae 

- Weak ,and normal girl                                                                      -Overprotective 

-Always work hard for Pay the Apartement bill and her college           - Nice,Kind and Popular 

-Has some Severe disease that can't be healed                                    -Doesn't know That Jessica had some Very bad Illness

-Love Donghae                                                                                  - Love Jessica

-Bestfriend With Donghae and Yoona                                              -Bestfriend with Jessica and Yoona

 Im Yoona                                                                                           

-Nice,Pure and Clumsly girl                                                              

-Bestfriend with Jessica and Donghae                                               

-had some feeling to Donghae

-Rich girl but not spoiled

                                " If i was born once again , I want to Falling in love with you again ,Cause I Love you "