A Fateful Encounter! Kyros and King Riku!
TV-14 HD (1080p) 2014
Manga available from from VIZ Media, and serialization in Shonen Jump
Available Languages: Japanese
Usopp runs into trouble in his battle with Treebol, and flashback sheds light on how a young Kyros made the shocking transition from murderer to one of King Riku's most trusted men.