Changbin is your elder brother who is extremely close to you, you have a abusive-drunk dad at home who hates you, he acts like this ever since your mom died

On day you came back home from school with Changbin and you father is there, the throws a bottle of alcohol at you but you dodged it, Changbin felt a sudden anger, never like before, he stands in front of you, protecting you form your father

You stay behind Changbin who is holding onto your hand