I leaf through this manga, if remeber correctly, they still show the hprrible thing he has done, and not in a good light.

It’s 100% legit.

It's part of a series by East Press called Manga de Dokuha which has the aim of exposing young Japanese people to classic works of literature in a manga format

Which in itself is a fairly admirable goal.

It's just that they've picked some really odd choices.

If I have time, I'll try and find the one they did for Das Kapital.