I'm Cthulhu, I Don't Need Recognition

I accidentally met a cute little octopus who was preaching at a comic exhibition. He just said something mean and then traveled to the world of Naruto. It doesn't matter that he doesn't have a system or a bloodline, he also has an octopus-like mouthpart on his body... The good news is that you can eat anything with this stuff! Regardless of animals, plants, or various elements, no matter what you eat, you can extract energy, and it can even strengthen your body and evolve your life level. The bad news is that this thing can only be supplemented by whatever you eat... Is the Sharingan Byakugan strong? The more you eat, the more you will grow! Are tailed beasts chakra strong? Then you don't mind a few more tails, right? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.