SBS entertainment program 'Running Man' aired on June 10, featured several beautiful high school students who gave hints to the running man members, they were revealed to be part of a future girl group.

Woollim Entertainment, the agency of the idol group INFINITE, revealed on June 11, "Our girl group members who are preparing for their debut came out in 'Running Man' as high school students. Three of them came out. All of them are being trained right now."

Of them, Yoo Jiae had already come out in a few other programs in 2010, so she has already been buying much attention.

The new girl group including Yoo Jiae is planning to make their debut within this year.

Photo: SBS