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Her revealing costume, which her father disapproves of, includes advertising for Pepsi NEX, a zero calorie Pepsi available in Japan developed by Suntory, a company who took part in the experiment which successfully produced the first true blue rose through genetic engineering, hence her alias and rose-themed uniform. She is also equipped with a monowheel-snowmobile vehicle, which she propels using her powers. Despite claiming to dislike Kotetsu, Karina develops feelings for him, which causes her much internal conflict considering the age difference.

Source from Wikipeida