[Invincible Protagonist + Feel-Good Story] Reborn in the Naruto world, he gets a top-tier golden finger: the all-around Saitama template System, with one punch enough to shatter heaven and earth.
Ding! Choose one.
1. Fight Hashirama Senju and Madara Uchiha. Reward: Infinite Stamina evolved to the maximum level.
2. Take Hinata, Ino, and Konan as disciples. Reward: the greatest Mystic Eyes of Death Perception in history.
3. Transmigrate through a crossover anime world and meet Teacher Saitama. Reward: a god-tier Limiter cheat.
P.S. 1: Depending on how things go, there may be time travel and the Myriad Worlds will be opened up. Recommended reads: Konoha's Super Saiyan and Starting Out with a Green Hulk Who Smashes Soul Land.
P.S. 2: The female lead is undecided. You decide the circumstances of birth for Naruto Uzumaki, Sasuke Uchiha, and Uchiha Itachi.
