Wan Wan Chuushingura is a movie that would be watched for one reason alone: it was the first animation Hayao Miyazaki worked on as an animator. So, unless you happen to be trying to watch every single work Miyazaki has been involved in, I would give this a pass.
Story and Character: 2 for each
Rather simplistic, the synopsis has the amount of depth the movie itself provides. None. It's a kid's film from the 60s which has a lot of plot shortfalls of worse movies today. The conflict can be described in a sentence, the villian and the hero are both boring. The evil character does
evil things, the good character does good things.
The climax of the film based in action sequences are paced terribly, and animated uninterestingly.
The music is jazzy and fine to listen to, fitting to the scenes that they are used in. The cuts between music isn't handled very well though, which creates a disconnect between scenes.
The design is uninteresting in most cases and some characters just look dreadful, especially the fox. A few do fit the comedic vibe of their character though.
The animation itself is very general for the time period and the studio. This means there's quite a bit of stock footage, a few points characters were off model and there is little detail to speak of.
This is one work based off of Tezuka (albeit one of his much lesser known works) that I do not enjoy: I much prefer some of his other works, such as Jungle Taitei and Aru Machi Kado no Monogatari that were created in the same time period and are of much better quality in some ways.