Well, emotions in cartoons can be depicted in various ways. For instance, big smiles might show happiness, while tears indicate sadness. Also, the background music and sound effects play a role in enhancing the emotional impact.
The main differences could lie in the level of explicit content and the way the characters and plot are presented. The original Bleach is likely to focus more on adventure and action, while the Fakku version might emphasize sexual themes. Also, the art quality and detail might vary.
The appeal could lie in the combination of the animated form and the bold, sensual movement. It offers a form of entertainment that plays on certain fantasies or interests. However, it can also be seen as inappropriate or objectifying depending on one's perspective.