Korea's rookie idol group 'Great' was caught performing illegally in Japan.

According to the Japanese media, Tokyo police reported 5 member of Great and the promotion company president for performing in Tokyo Shinjuku Okubo Livehouse with a short term visa.

For a Korean artist to perform in Japan, you need a different visa.

The idol group consists of 5 member in 20s. They confessed of "knowing it was illegal but did it because we wanted to get more famous".

They will be dispatched according to the decision of the prosecutors.

Photo: Shinjuku Street by ehnmark