Jiro Esorium story reference

So, this is Jiro, not the same Jiro from my Ookami story.
This Jiro is from my other story, Esorium.
He is also second main char in it.

Name: Jiro
Age: 4 years
Zodiac sign: Sagittarius
Nature: Playful, very wise, kind, cares a lot about Cain.
Skills: Amazing throwing ability, fast
Family: Unknow
Extra: Only one in the party who cannot talk human language.