Steps:
1-Download and install fiddler2
2-Open fiddler2
3-Ubmatch fiddler
4-Open NS
5-pLAY ns
6-Drag files to fiddler2
7-Go to shop
8-Buy what you need
9-ENJOY
By:Vinsent

http://www.youtube.com/watch?feature=player_embedded&v=lwJqzufDSBo#!

Watch the video:

How to use:

1. Open Ninja Saga
2. Open Charles
3. Go to Academy and Learn New Skill
4. You must have 1 jutsu essence, if you don't have just request 1 from your friend or in your friend.
5. Go to Jutsu Essence Panel below request inbox.
6. Click "Use" button under owned jutsu essence.
7.In Charles expand "http://app.ninjasaga.com/" and "amf/" in the structure tab
8. Right click "<default>(CharacterDAO.reduceTrainTime)" and select "Advanced Repeat"
9. Set iterations to 100 and Concurrency to 10 and click OK
10. Wait for few seconds when the repeat advance is all done.
11. Reloa ... Read more »

Steps:-
1. Log into Ninja Saga
2. Clear your browser's cache 2 Times
3. Reload Your Ninja Saga
4. Goto your Ninja Saga
5. Open Charles Web Proxy v3.6.3
6. Now goto Style Shop 
7. Now Charles will get open, and then click Execute
8. Now wait for few second then you will see "Execute" Again 
9. So before clicking "Execute" Select "Edit Response" and "AMF"
10. Expand "hair_data" Then expand -->

"[0]" FOR MALE
"[1]" FOR FEMALE

11. Now, Change the value of "swf_name"

Christmas HairStyle Package Hack For Male
"swf_name"
Swf : 158_0

Christmas HairStyle Package Hack For Female
"swf_name"
Swf : 158_1

12. Now click Execute
13. Now Goto the Style Shop, then Equip Hair Style.

Note:-
Need for Free user ... Read more »