Who says that taijutsu cannot have attribute attacks, who says that taijutsu cannot aspire to the top of the world, and who says that taijutsu cannot make you the strongest ninja! All this will be broken by the protagonist!
See how the protagonist finds a completely different path to taijutsu without being able to use ninjutsu!
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.