The Prince's Sword
Bojji, Kage and Despa go out to dinner to celebrate the conclusion of Bojji's training. Kage has misgivings about Bojji's sword until a fight breaks out at dinner, and Bojji has to defend himself. Bojji and Kage must consider what their next step will be.
Aired 17/12/2021EP 10 - The Prince's Sword

2021
Ranking of Kings
Unable to hear, speak, or wield a sword, Prince Bojji doesn’t seem like a typical heir to the throne—and his kingdom agrees. But his fateful encounter with Kage, a shadow on the ground, gives him his first true friend. The two set off on a grand adventure and, together, form a bond that can overcome any obstacle...even being king.
(Source: Funimation)