I like loose hair, not so much on Kasumi but I prefer Helena's loose hair to that weird ponytail.
They need to give Rachel & Momiji loose hair. Rachel's stance isn't hunched like Helena's so it wouldn't look as bad, and Momiji could easily get Kokoro's hair from a cut & paste.... since none of the ponytail to loose hair ratio is accurate it wouldn't matter too much if it was shorter than her ponytail ( I mean, just look at Kasumi. ) so I hope they find a way to do it in an update, or in the next DOA game.
They really 'hyped' the hair options for 5U... and it turned out only 4-5 characters got different hair options.
I was also expecting Sarah to get something... but nope. I assumed all girls with long hair would get some alternate hairstyle cause with long hair, the options are pretty endless. But... nope.