Overall, Boruto adheres pretty well to the manga. Some minor adjustments are made for better visual presentation or to fit the animation format, but the core story remains intact.
Nana follows the manga quite closely. The story arcs and character traits are maintained, although there could be some slight differences in the presentation to suit the medium of animation or for creative purposes.
It follows quite closely. The anime of No.6 mostly adheres to the manga plot, with just a few minor differences that don't significantly change the main story.
Definitely. Brotherhood is highly regarded for its faithfulness to the manga. It captures the essence, themes, and progression of the manga accurately. Minor differences exist, but they don't significantly impact the overall experience.