Jeon Jeongguk is an Alpha and the Crown Prince of Kingdom of Haethon, the most powerful and respected Kingdom of the West Brook, currently ruled by King Jeon Jaehwan.
Kim Taehyung is an omega and the youngest prince of Kingdom of Mariana, the most peaceful Kingdom of East Brook.
Though the thing is, Kim Taehyung is to be betrothed to Jeon Jeongguk.