The same reason people want Momiji, although for me I want her back since she was fun to use and easy, I liked how she was super hyped at first but once people saw how 'linear" she was, 4/5 of them dipped and only a few stuck with her despite the popular thing being to hate on her. I think if she returned in 6, she would fare much better, she's my second favorite DOA girl behind Kasumi