Keep in mind that this review is written based only on anime (I know that this version comes from the manga. After I finished watching the "original" story, I gave myself the opportunity to see the second version, which in my opinion is a little better "in some respects" than the first version. Talking about the history would not be something so remarkable since if you saw the first version you will quickly understand that it only goes with some notary changes but they are not a big deal. Regarding the characters, a very significant change is seen in the first place since the vast majority of characterswho had not had a participation or almost no participation do so here contributing more to the development of the story (case that did not happen in the first version) .

In general, if you have already seen the first version and you see this, it may not disappoint you since it does not have that annoying filler that characterizes the first version as well as they explain a little more in depth the past of some characters (not in a way perfect) so if you have free time you can watch it without problems and enjoy it without problems.