Changbin is from the Seo family…he is the successor of an huge industry…Alpha 2..Abd you had a huge huge crush on him…only to know that he was your neighbour…because your mom worked in the same industry… times fly by and you two get together…and you already did it at least two or three times…he was amazing…and so handsome…but the only thing that made you nervous was that he went out with many girls..and still does..