Yuuma transmigrates to the Naruto world, becomes a member of the Uchiha clan, and obtains an entry extraction system.

You can extract other people's entries simply by making contact with them.

It can also increase the level of affixes by absorbing combat points.

[Ding, extracting Naruto Uzumaki's entry, obtaining the entry: Tailed Beast Chakra (Purple)]

[Ding! Extracted Hiruzen Sarutobi's skill entry, obtained the skill: Quick Ninjutsu Mastery (Gold)]

[Ding, extracting the Pain entry, obtaining the entry: Rinnegan (Red)]

...

As Yuuma continued to extract entries, his name resounded throughout the ninja world.

Kakashi: After meeting Yuzuru, I realized that my copy was worthless.

Orochimaru: I used the Impure World Reincarnation technique, and you just turned into a living person?!

Itachi: In the world of Tsukuyomi, space,...

A programmer is reincarnated as the Uchiha clan member. The night of the Uchiha massacre hangs like a sword of Damocles, constantly reminding the protagonist that to survive it, he must become stronger. Question: How to successfully survive the night of the massacre? Answer: Defeat Itachi Uchiha and Obito...