Transmigrate as Menma: Saving the Ninja World from the Start

[System + One Heroine + Invincible + Play the Pig to Eat the Tiger] The story begins during the Fourth Great Ninja War, when Tenten enters the Infinite Tsukuyomi world. Bai Ze transmigrates into Menma and arrives in the ninja world. He uses Uchiha Madara as a stepping stone, beats Naruto and Sasuke with his fists, and kicks his way through the ninja world! He devours the Ten-Tails' chakra, masters the Six Paths ninja tools, and wages war against the Otsutsuki.