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Yuko Ogura regularly, if not entirely seriously, claims to be one "Princess Apple-Momoka" (りんごももか姫) of the apple-shaped planet Korin (こりん星). This is apparently an in-joke dating back to her middle school days. Having an alternate name was trendy at one point, and one of her friends told her that she looked like a Momoka. She liked the name and still uses it today.