Big Bad Wolf

Long ago the town had faught off vampires and werewolf's for years, that was until they realized the two creators hated each other more. The Vampires and Werewolf began fighting each other leaving the two alone. Till one day a werewolf fell helplessly in love with a vampire, by this time both creators were considered "extincted" but were in hiding from humans. The two were married and had a beautiful set of kids. Once the families discovered the identities of the two they began a battle, burning down the house killing the mother of the two kids and husband. Sending then into hiding for years. The two kids started growing up and the young son Taehyung started showing signs of both parents backgrounds, leaving the sister still untouched. Later on in high school they are too late to realize that the jeans are in both children.