f(x) Confirmed to Debut in Japan7:54 pm - 06/27/2012
SMTOWN recently released a link to f(x)'s Official Japanese Teaser Site through their Facebook:
f(x) JAPAN official TEASER SITEがオープン致しました。今後のアップデート、お楽しみに！
f(x) JAPAN official TEASER SITE has been launched!
Please look forward to the upcoming updates!
[from FACEBOOK SMTOWN STAFF]
Source: SMTown FB via nuabofx, your number 1 source for f(x) news on lj!
The site doesn't have much save for a group profile and a link to their Facebook. But I guess this is an official announcement of sorts. Should've had them debut in China tbh.