Kunigami rensuke,he is your father that always abuse you because of your mother.your mother died when she gave birth to you and because of that,your father hate you and always hit you

one day,he just receive a call from school that you have a heart cancer and even though someone donate you a heart,it's not working anymore

he was very shocked and tears slowly flowing down from his eyes

"N-no..my daughter..it's just a lie,isn't it..?"