A work may be an adaptation of previous media, but that does not mean it has the same tone or style. It will usually hit the same main plot points, but change dramatically the way the plot is presented, sometimes to the point of changing the genre or changing position on a sliding scale such as the Sliding Scale of Idealism Versus Cynicism.
Super Trope to Darker and Edgier and Lighter and Softer. [...] [tvtropes.org]