She came off to
be your basic cute girl / tomboy of the series. Considering the roster of Bushido
Blade, she's a unique archetype and brings some diversity to the roster.
Visually, she isn't anything spectacular, but he's not bad. When looking at her
face and hairstyle, she has an obvious likeness to Sakura.
Since Street Fighter Alpha 2 & 3 were gaining popularity in 1998, I
wouldn't rule out Jo being somewhat inspired by Sakura.