Starting as Genin requires 750 words of the RP sample, as explained here.
Also have to note that the Explosion release Taijutsu variant, where you touch people and they explode - it's banned. Mostly because it's very godmodish and hard to balance. Though I'm sure you can craft something from that KKG that enhances your taijutsu, do not expect that ability. Telling you now, so you don't build a character only to find out your whole idea is not allowed.
Gave a glance at your character application and: Better expand more on your origins from Iwagakure. You need to color stuff. If you're on some sort of phone it might be problematic. Otherwise, copy this code
[size=24][center][color=orange][b]Character Name Here[/b][/color][/center][/size]