Board Thread:Questions and Answers/@comment-124.104.230.248-20171121154014/@comment-917693-20171122143311

Rei Z Furuya wrote: Do you mean Mitani Nana? If no, I'm sorry ;;; She inactive in Twitter now, even in NND. but you can listening her latest (Aug 27) cover in NND. But no one updated her wiki ^^

No, they mean the utaite Onyu (look below the thread, the topic is Onyu). Nana is a page where Onyu uploaded some of her covers, and her account seemingly isn't there anymore.