The secret between me and exo

Na DooRim is a girl who falling in love with Do Kyungsoo as known as D.O exo . But she don't want to keep this feeling because she know that she will go back to her country . And she guess that Kyungsoo wont like her back because she know that Kyungsoo only consider her as a sister .

Na DooRim lived in korea with her adoptive families . Her adoptive families is Suho's family . She really close with Suho like there were real siblings .

Then , the day when Na DooRim need to returned to her country was coming . She need to go back . Is she still contact with them when she returned to her country ?

She get into a new school . She realized that there were many exo fans in her new school . She didn't have a new friends there . All people like dont want to be a friend with her . She think,when they know that she is Suho's adopted sister they will get many friends . But she dont want to tell them because what she want is a truly friend . So is Na DooRim can keep this secret until the end ?