@kiragimmya Differential equations? This is what I feel like doing to my Quantum Mechanics homework. Ugh...
Also, that voice at the end of this commercial. It. Just. Doesn't. Fit.
Oh, another "kung fu ninja". So lame. Here in Japan, whenever I tell people that Western countries have so-called Ninjutsu schools, they all laugh at how stupid that sounds.
The answer is no, the only way to be classified as a "ninja", or shinobi is to have actually participated in the activities of such. They may include infiltation, assisination..etc, u must also be accepted by fellow peers and recognised one.. but most importantly to be classified as a ninja, u do not call yourself one, u will truley be acknowledged by others as 1