Your name is minju

Heeseung,Jake,jay and sunghoon lost their sister 5 months ago.. because of suicide... today a new girl.. minju came in the school..well she's doesn't like her life or anything...her parents are alcoholic..and always fighting...and since the boys found out about her..and how she doesn't want to live..they start hanging out with her trying to make her love her life so she won't do what their sister did..