I don't know why, but the swimsuits just don't do it for me. I think it is because the other costumes gives more of a "push up effect" .
These are my favorites that are in the game just for subjective reference.
and more.
What is somewhat sad is that Hitomi (my main) got nothing I want. She needs a sexed up military costume or anything.
The angel Halloween costume was "ok", but the ring just made it look silly.
closest I get is this.
Though that can't be implemented for obvious reasons (or at least her pants must be on).
This would also be nice:
Her present karate costume has become a little too manly for me, over the time period, and I've gotten tired of it.
Also I feel perhaps that this costume with some customizing would have fit her well:
All in all I feel she has such an unused potential to build on.