First Step: http://www.gaiaonline.com/guilds/viewtopic.php?t=24414319
Grab the profile skeleton from the thread listed above.
Then, be sure to choose your villages from the ones open [currently Leaf, Mist, Cloud and Grass].
Then, choose your bloodline and your two clans from the subforum here: http://www.gaiaonline.com/guilds/viewforum.php?f=150215
The rest should be fairly straightforward. Be sure to read the master system and the class system in the starter forum, which is here: http://www.gaiaonline.com/guilds/viewforum.php?f=139517
Naruto: Ultimate Roleplaying (NUR) [CLOSED]
A long-lived guild, filled with memories of a time long-gone. RIP NUR.