Goo ______ is a 16 years old girl who suffer a deadly disease. seldom go to school because she spend almost 10 years at the hospital so she doesn't really have a friend. but she has a strong will to recover from her illness. it's getting more stronger when she meet a guy name Lee Donghae. he gave her a support to keep living in this world. her world is tottaly change when he comes to her life. she got a new friend because of Donghae. she realize that she fall for Donghae.