this weekend on the 15th. It seems that they will be interrupting their Korean activities for a short while, as f(x) will also be preparing for their Japanese debut for the latter half of the year.

Representatives from SM Entertainment commented, "Although we haven't come out with a definite schedule yet, we will be preparing [f(x)] for their official Japanese debut during the second half of the year." They continued to ensure Korean fans, "[f(x)] will be attending to Korean activities occasionally alongside [their Japanese activities]."

Besides Sulli's schedule with her drama 'To the Beautiful You', there haven't been other activities scheduled for the group for the time being.

Source: Star Today via Nate