You something that lacks actual self defense or actually teach you something than take MMA. MMa is not a system or style it is a bunch of bits and pieces thrown together. And it can be anything from a striking to grappling and no set curriculum.
Japanese Juijitsu is the fore runner to Judo,BJJ, GJJ and many other martial arts. You will learn, kicking, striking, joint locks, ground, standup grappling, self defense, etc.. And much more. JJJ IS a martial art system