Name Of The Jutsu: Wind Release: Wings Of Flight
Describe what this jutsu does: A large pair of wind chakra generated wings will form on the back of the user enabling the user to fly around as he/or she pleases.
What does it require: It requires Chakra and it requires a decent level of chakra control since you have to channel you chakra in your back.
What rank do you think it should be: C or D