Naruto: From the Butterfly Clan to the Pinnacle of Taijutsu

[Ninja-approved guidance. Not made-up nonsense.] After suffering a backlash from using the power of the Nine Dragons to work out, Denji transmigrates to the Hokage world and becomes Akimichi Denji, the son of Choza Akimichi and the older brother of Choji Akimichi. At first, he only wants to use the Akimichi Clan's Multi-Size Technique to become a huge muscleman and see what the limits of the human body are. But the extra energy keeps getting intercepted by the System, so he can't put on weight at all! Shimura Danzo lies ahead, Hiruzen Sarutobi behind him, the Akatsuki to his left, and Madara Uchiha to his right. Enemies surround him, all watching hungrily. In that case, I'll stop being human! Deep Blue, add points! “Energy has reached 100. Adding points to physique!” “Fulfilled Hinata Hyuga's wish [I was here first]. Wish points +1.” “Fulfilled Ino Yamanaka's wish [This time I'll win]. Wish points +1.” “Congratulations! The Akimichi Clan's chakra refinement technique has reached perfection, awakening the Kekkei Genkai [Scorch Release].” “Successfully confessed to Hinata and fulfilled her lifelong wish [The moon is beautiful]. Received a wish reward: [Pure Byakugan]!” Kaguya Otsutsuki: “Ten years, then another ten years. Do you know what I've been through all these years? I'm going to turn the entire shinobi world into my sustenance!” Akimichi Denji, with muscles like a demon's and looking as if he just walked off the set of Baki, grins at Kaguya Otsutsuki, baring a mouthful of sharp teeth. “Make sure you give me a good fight this time.”