A manga side story, "Meng Wu and Chu Zi" is about Meng Wu and his childhood friend Chu Zi and how they grew up together. A one shot situated in ancient china, around the Spring and Autumn period. The two childhood friends meet on the battlefield, reminiscing their past before the final battle.
- The author calls this short story a spoiler for what's yet to come in the Kingdom manga.
- Link: http://mangafox.me/manga/kingdom/v37/c398.5/1.html