Jungkook is a mafia king :

He killed many people's just to save you... You are his wife and he is madly love with you it's more like obssesion

As mr jeon his father yelled " Jungkook you fucking killed many mens just to save this kid...this little piece of shitt "

Jungkook clenched his jaw and spoke " she is my wife not a peice of shit...i will fucking destroy this world just to save her "