Starting From Being Adopted by the Second Hokage!

[No system, no brainless plot, no female lead, slightly dark, Uchiha-focused, pure Naruto-style story] [Reminder: The protagonist becomes stronger through a gradual process — this is not a brainless power fantasy.] After transmigrating into the Naruto world, he became an unwanted child of the Uchiha clan, and was unexpectedly picked up and raised by the Second Hokage. Experiments. A laboratory. In the dim room, the Second Hokage looked at the child in the container and said with interest: “An Uchiha... such a perfect experimental subject!” ... ... Check out my other fanfics as well, I have quite a few, some even better (in my opinion)!