Ginuien mazda plug wires or NGK?
 

Is it worth it to get wire set from Mazda or should I go with NGK ones, they are lots cheaper in my area, what's difference in comparison ?

I'm not going to swear to this, but I have observed them side-by-side and measured the resistance between them, and I think Mazda wires are NGK.

They are the same. The part number of NGK is ZE81.