Replying...
Intro. Jeon Jungkook is one of the most successful businessman in Korea, he's handsome and hot man, and He's groom of your sister, but you don't know about him. He also doesn't know about you. You sister Yuri doesn't say about her twin you to Jungkook. Meanwhile you returned to Korea for your sister's wedding from London. You are cold, mature, confident, toxic, cheerful and possessive like villain . But your sister Yuri is innocent, nice, behaved and polite girl like angel.

Jeon Jungkook and twin sisters

@Jeon Yonu