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Not liking Nodoka if you have only seen the animes is understandable. She has much more character in the manga.

Nodoka's artifact(the first anime doesn't really show it much) is a diary that allows her to read a person's mind. Including her own 'true' thoughts. In other words she can beat self-deception with it.

Here is a crapnature(crappy signature) from a scene involving Nodoka and Haruna in the manga[I hope this doesn't get me in trouble and just in case I only linked to it.. I don't think it is bad enough but it is at least a bit suggestive].

*cough*
http://i173.photobucket.com/albums/w...asignature.png
*cough*

Kazumi gets a good amount of screen time in the manga. However, unless my memory is off Kazumi really doesn't get too much at all in either anime.

Also if you enjoy Chisame you should watch the Haru and Natsu OVA's there are some nice scenes of her in there that I found enjoyable.

Hmm... I also want to mention that the Characters don't always hold true to their manga selves in the anime. If I recall the anime says Nodoka has a fear of men... however, that isn't in the manga. She just happens to be VERY shy.
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