We check this website, now wowkorea.jp is up and dont blocked for our system and other users of the Internet.
So, answer to question: Is wowkorea Down Right Now? - NO! wowkorea is up!
If you have problem with access to site wowkorea, and domain wowkorea.jp is not avalible.
Clear browser cache and/or try other web browser
(Chrome, Firefox or Safari).