Jang eunsoo is a girl who has a very kind-hearted and she met a who is just like her personality and love each other when they saw at the first time.And they become a cauple but one day the boy keep ignoring her and kept a secret to her.And they breakup.How will she find out the secret? ForewordJang eunsoo.{Oc}She is kind-hearted.age 18.only child.yoo seungho.love eunsoo.age 18he has a heart problem but he never tell anyone except his familyKang eyoung{OC].eunsoo bestfriend.Lee jongsuk.Eunsoo husband when seungho died