Yona of the Dawn manga volume 11 features story and art by Mizuho Kusanagi.

Yona and her friends head out in search of a crop that can grow in barren land. On their travels, Hak becomes filled with grim determination while training Yona in swordsmanship. Yona notices that he’s acting differently and tries to cheer him up, but what Hak does next leaves her stunned!