Mizuho Kusanagi
193 pages
The Kai Empire begins their plans to attack the Kingdom of Kohka, with North Kai leader Ying Kuelbo particularly interested in capturing the Dragon Warriors! When Yona and Jaeha are taken to Kai Empire against their will, Hak debates the unimaginable in order to save them—joining forces with the Kohka army! -- VIZ Media
It's definitely worth the read if you're open to manga!