She sucks. All of them suck with the exception of Takuya's and Koji's.
But there was an even worse level of sucking for the female character in Frontier compared to even the mild meh-ness of Palmon+evos, Biyomon+evos, Gatomon+evos, Hawkmon+evos, Renamon+evos (the best), and, jesus, even Lalamon and her evos.