One family had moved from overseas to seoul, the family had a daughter named Nicole she is a good is often help. When they moved they were get acquainted with their neighbors. Nicole think after moving he will not have any friends, so since he did not move out of the house and is often cry. One day, her parents made a council and invite the neighbors.

A boy come to a council and hear a girl cried , he look under the table and saw a young girl cried so harsh 

" why you cry under the table " young luhan said

" I i j-just play im not cry " young nicole said

" play ? don't lie im not that stupid to see someone cry and play " young luhan said

" umm.." young nicole said

" tell me " young luhan said

" i scared , every kids that come to my parent council make fun of me cause my hair was blonde '' young nicole said

" ignore them , now on i will protect you . no one can bullied you okay " young luhan said

" really ?? " young nicole ask

" yes , don't cry again okay ? " young luhan said

" w-what your name , w-what shuold i call you" young nicole ask

" Luhan but i want you call me oppa okay" young luhan said

" neh oppa"

( 6 year later)

COME TO SCHOOL

" nicole yaa , in high school they was many people like to bullied nice person , so if someone do that to you tell

  me immedietly okay " luhan said

" neh oppa , oppa why you so nice to me ?" nicole ask luhan

" because you are the only one girl that i could see sad " luhan said

" jeongmal , thank you oppa " nicole said

when they were talking someone coming and

" yaa ! if you two always be like this , many people will misunderstood they will think you two are couple" nana said

" what ? nana its not oppa and me just like sister and brother right oppa " nicole said

" neh , why nana you are jeleous ? haha " luhan said

" nana you know right that luhan has crush to jaekyung " kris said

" well i know that * but luhan why you so stupid a nice girl is infront of you , you are too stupid i wish you know jaekyung real face* nana said

" oppa why don't you confess you feeling to jaekyung " nicole said

" i will but need some time " luhan said

" Nicole let's go to toilet " nana said

" yaa! im nana you better take care of nicole okay ! " luhan said

" like husband and wife " kris said

" neh " nana said

Nicole and nana going to toilet 

" luhan? " kris said

" what?" luhan said

" you don't have any feeling to nicole ? " kris said

" why ?" luhan ask

" i has crush on nicole " kris said

" what !! well it's your problem not mine *why i feel jealeous * " luhan said

after that luhan has confess his feeling to jaekyung , and jaekyung accept it . well jaekyung here many rumors about nicole and luhan and plan something to nicole

" Nicole ? ! " luhan scream 

" nehh oppa ? " nicole said

" i just want tell you my crush has accepted me as her boyfriend " luhan said

" its good oppa , congratulation * why my heart are so hurt , i love you but i hope you happy oppa *" nicole said

" well nicole i have a date with jaekyung afterschool , you can go home alone right ? "  luhan said

" neh , its okay have a nice date ''

Day by day luhan and nicole not so closed as before when luhan have girlfriend ..

(AT HOSPITAL)

" Dr may i know why i always headache ? " nicole ask

" miss nicole , you have too patient to what i want said " dr said

" yes i will " nicole said

" you have suffering leukemia last level" dr said

" neh , i know it " nicole said

" you know but why ? " dr said

" my mother died because of this , what level i am right now ?" nicole said

" you in level 4 " dr said

" my chance to life ? nicole said

" miss why you ? neh maybe you have chace to life in a month " dr said

even nicole know she was suffer in that illness she accepted it

" nicole ? " kris said

" neh kris? what are you doing here ? "nicole said

" you have leukemia ? why you dont tell luhan " kris said

" i begging you dont tell him " nicole said

(AT SCHOOL)

 " nicole "  luhan said

" neh ? " nicole said

" why you do that to jaekyung? " luhan said

" what i do ? " nicole ask

" how can you push her untill she leg hurt , since when you are to cruel " luhan said

" i dont do that "nicole said and start cried

" i dont care if you cried now on we are not friend " luhan said

" oppa .." nicole said

" im not your oppa anymore " luhan said

" if this was a good for you , fine we don't know each other anymore"

(1 month later)

luhan want go to cafeteria , unexpected he here jaekyung conversation

" well luhan oppa is me now " jaekyung said

" what you do is so cruel , you dont scare luhan know about this ? " taeyeon said

" nope , oppa will don't trust nicole anymore , he promise me " jaekyung said

" you are too good at this thing , nicole is stupid cause make trouble with you " taeyeon said

" really ? i just make story and oppa trust it , its so easy ? he doesnt know nicole is the one who always give him a love letter " jaekyung said

" its she ? " taeyeon said

" yes " jaekyung said

" why you make me like this , i though you are the one who give me love letter . jaekyung we are done !*nicole wait for oppa , i love you too im sorry for make a big mistake " luhan said

" but is too late luhan " nana said

" nana ? what you mean ? " luhan ask

" im sorry not tell you about this , nicole is suffering cancer leukemia " kris said

" what you said " luhan said

" when you fight with nicole , she come to my house and tell me everything , last week nicole father come to my house and give me a box , before nicole leave she want me give the box to you " kris said

" leave ? where he go ? " luhan said

" she died '' nana said

" w-what , no no i dont tell her that i love her " luhan said

" that was your fault , nicole love you for long time , everyone now it unless you ! " nana said and cried

" we want tell you about this but nicole last wish is dont want you know about he died , nana lets go . i want kill you if nicole dont stop me luhan . remember this ! " kris said

At night luhan take out nicole box , and see a letter

* oppa ,  no i should call you luhan , when you read this letter maybe i m not at this world anymore . Luhan i just want tell you that i love you since we are little but because you always say you only love a pretty girl im sacred to tell you . But its doesnt matter anymore you are with jaekyung now so should happy with her . i have make something to you please look in the box . that was a album all picture when we are together since we are little until now . please i begging you to keep it good . Oppa my head is very hurt right now i should stop writing have a good life oppa *

" nicole i will never find other woman , you are the only one girl i love in the world " luhan said and cried so harshly