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)!