What are the main differences between the 'faliure frame' manga and its adaptations?

Well, usually the adaptations might have changes in the plot or character designs. Sometimes they cut out some minor details to fit the format.

Not many major differences. The manga's core elements are mostly retained in adaptations.

There aren't many significant differences. The adaptations mostly stick to the core story and characters of the manga.

Not many differences actually. The manga and its adaptations are mostly similar, with just a few tweaks here and there.

The main differences can lie in the pacing and the way certain scenes are visualized. Sometimes, in adaptations, the order of events or the emphasis on specific plot points can change to fit the medium better. Also, character designs might vary slightly.

I'm not too sure. Maybe there aren't many obvious differences, or it could be in the details of the plot or character designs.

There aren't many major differences. The adaptations mostly stick to the core elements of the manga.

There aren't many major differences. The adaptations usually stick closely to the manga's plot and characters.

The main differences in 'Gokusen' lie in some minor character developments and maybe a few tweaks to fit the medium of the adaptation. But the core story remains intact.

There aren't many major differences. The adaptations usually try to stay true to the core of the manga.