Upcoming KBS 2TV drama 'IRIS 2' definitely knows how to get fans hyped up for its premiere, as they have revealed yet another set of action-packed still cuts from a training scene.

The still cuts were released on the 9th and show Lee Da Hae, B2ST's Doojoon, Baek Sung Hyun, and more undergoing tough training on the beach during the cold winter to become NSS agents. Jang Hyuk also impressed fans with his charisma as the team's supervisor.

A representative revealed, "The still cuts are from the scene of the characters' past as trainees when they had to perform numerous tests to become agents."

'IRIS 2' will air its pilot episode on the 13th at 9:50PM KST!