The content introduction of the president's Cinderella

Two people who didn't intersect originally are closely intertwined because of fate. She has a congenital heart disease. A year ago, she accidentally changed her heart, but the heart donated to her belonged to his ex-girlfriend, so he hated her ... A year later, she was afraid of him and ran away! His parents were worried about her, but unfortunately an accident happened. Her dullness missed the opportunity to save them, so he retaliated against her ... In the face of his toughness and indifference, she dodged and tolerated everywhere ... She had nowhere to go, because she owed him and loved him more. ...