If you saw "ruka kanae" as a (e.g., in fanfiction or shipping), it could be a typo or misordering of Kanae Ruka or two separate characters. Alternatively, it might be a misspelling of:
In a genre often dominated by shy, blushing heroines who wait for the protagonist to make a move, Ruka takes the lead. She plans dates, she initiates physical contact, and she verbalizes her feelings clearly.
However, if you're trying to say "make a solid piece", I think the correct phrase would be:
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