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Japanese: "Good bye" or "Good evening". The Osaka equivalent of "konbanwa".
"Well, that's all for today. Sakura's battle costumes see no end in design. I wonder how far they will go. I'm looking forward to the future but I'm also scared of it. Konnana!"

Most well-known use by Keroberos (Kero) from the anime Cardcaptor Sakura.
by Kisspop April 10, 2011