Naruto: There's a Kakarot Inside Me

[Absurd comedy] [A lot going on] [Everyday humor] (The protagonist is a little cautious at first, but starts to realize his true strength around Chapter 30.) Sasaki Natsuo transmigrates to Konoha and meets Kakarot inside his body. From then on, Natsuo begins training in the Turtle School style. He also learns the Kaioken, Spirit Bomb, Instant Transmission... While the ninja are grunting through their hand seals, Natsuo is already firing off energy blasts. But this is a world overrun by Tailed Beasts, with Shuriken flying everywhere. At first, Natsuo thinks all he can do is stay weak and helpless and keep his head down. Then, one day, when he has no choice but to leave Konoha, Natsuo discovers... There's nothing in this world that can't be solved with one punch. And if there is, then two punches will do it.