"Is there... no other choice?"
Watching Konoha's number one suddenly turn serious before her, Haruno Sakura's expression gradually became serious as well.
"Because your Chakra control is very good."
That was Chiba's answer.
Although Haruno Sakura's files and information were far more extensive than Tenten's, they barely reached the point where he could tailor a complete power system for her. For example, Chiba knew that Haruno Sakura currently possessed either earth-nature or water-nature Chakra aptitude. As for Yin and Yang Release, she had probably only mastered them after learning the Yin Seal and Hundred Healings Jutsu; she likely did not know them yet.
So, he could have simply put together a practical set of earth-nature or water-nature ninjutsu for her.
In fact, Haruno Sakura was quite fortunate. Chiba himself possessed both earth and water natures, and the first S-rank ninjutsu he mastered in those two fields had been self-created. His understanding of those two natures also ran the deepest.
Moreover, there had been quite a few fanfics about Haruno Sakura in his previous life. Some famous ones, such as Water Release's Strongest, might not be perfectly recreated due to the fanfiction's altered settings, but if Haruno Sakura was innately water-natured, Chiba could absolutely use the Water Release of this Naruto World to forge a powerful Sakura worthy of Water Release's Strongest.
Of course, she would probably be a lower-spec version.
But after thinking it over, Chiba still felt that it was inappropriate. There was no special reason for it. Haruno Sakura was, after all, one of the people closest to the protagonist in the original work. In a sense, she also possessed plot armor. Though she was far inferior to the two chosen sons of destiny, she was still the heroine. Heroines had plot armor too.
And someone like that