I am Leviathan I am in a way the bother of the one you call Kazeneku or in better terms he and I are the 2 halfs to the real Kazeneku. Kazeneku and I were split apart as a child the night Kimizaka attacked our home Kimizaka would like Neku to think that we were spared because of our weaknesses but the true reason was that he needed our power or rather mine. Kimizaka tryed to turn kazeneku's mind evil but his will was too strong so he split the two parts of Kazeneku apart and took the part he needed which was me with him for some reason I was the only one to remember this event other than Kimizaka. I was tortured and forced to do wat ever my master Kimizaka order he told me with his help I could become what I was ment to be If I only found the Phantom Gems for him. after I had carried out multiple orders from him I started to sabatage his operations letting my other half get his hands on those gem but Kimizaka was to dumb to ever figure out. As for Kazeneku I only tracked him down to kill and absorb him so I can become whole a worm like him has know right to live in the same world as me.