I've always wondered why she never played a bigger role, She was the one who just gave hints to what was going on or yelled at megumi. So I kinda wonder what pressure she was under? and How come she only ever eats cake and sweets? that makes her always seem like a softyand how come she didn't do her job and actually try to take charge over Megumi?

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Chisa....I like Chisa!

All good questions xD But man, I always thought she was so awesome! A bigger role would've been sweet, though, for sure

I know she is awesome and that's why I like Chisa , I'm actually thinking about writing something about her and Megumi, like about when they were in the alien party and how they grew up to be where they are in the series.

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Chisa....I like Chisa!

I think eating cakes and sweets is either just a part of her personality, or she uses the sweets to relieve her of stress from whatever is happening. I personally just think it is her personality, much like L, from Death Note. Because she eats sweets, I don't think of her as being soft. I actually imagine her as being the harsher, "Get the job done right the first time or else I'll scold you!!" kind of person.

She is the principal of the school, it isn't her job to work directly with the aliens. The alien party must do that, just like how Megumi isn't allowed to catch the aliens on her own even though she is quite capable. In a society where alien attacks are becoming more frequent, it appears to be a priority to teach the younger generation how to handle them. But apparently not a priority in certain districts such as school 3, because Megumi's friend couldn't get a single member in the alien party. In the anime series when Yellow Knife lands at school 9, the principal says that "Half the teachers" were affected by Yellow Knife. Half the teachers were probably fused with an alien, but again, they can't just go finishing the job for the students. They have to learn to deal with the aliens themselves.

She is trying to take charge over Megumi to get her to do her job right, you can tell by how she addresses Megumi in the anime (Maybe the manga but I am uncertain). However Megumi is slightly scatterbrained and does things on the spur of the moment or a whim, rather than being logical about it. But the principal wont take matters into her own hands and baby a fully capable adult.