I hesistate to ask, but this fic refers to the show, "Tenchi Muyo", yes?  OK, not that I'm clear on what show I need to view more, let's get on with the review:

 I loved this fic!  I'm not an expert with regards to the girls, mind you, so I had to do a bit of research, but from what I understood, your character portrayals were right on (as always).  The idea that all six of them had to go, and there was just one toilet (thanks to Akeya and Ryoko's bickering, which I just loved) was an ideal that greatly appealed to me.  I was actually somewhat surprised at how it ended though. I kind of figured Washu would sneak away, and Sasami is so cute that I figured you'd have to save her as well, but I thought you'd have all the other girls lose it for sure (at least that's what my mean streak wanted to have happen).  Your taking pity on almost all of them (although Mihoshi's solution was creative I must admit) was actually somewhat unexpected and even a bit dissappointing, although I do like the fact that you made the most "girly" and "proper" girl mess herself (I am such a huge fan of seeing snobbish girls getting knocked down a notch, ESPECIALLY when it comes to bodily functions).  Still, a first-rate fic overall.  I wish to see much more from the world of Tenchi!!!!