B2ST's Doojoon and actors Lee Seung Hak and Baek Sung Hyun have become good friends.

Taewon Entertainment, the company that is producing the drama revealed the pictures on February 4th.

In the pictures, the three actors are wearing their costumes as members of the NSS while holding guns and posing close together, showing their newly formed close friendship.

The producer of the drama shared that, “they have become close in the set since they are of similar age. Their teamwork light up the mood in the set."

In “IRIS 2” Yoon Doojoon will play agent Seo Hyun Woo, Baek Sung Hyun will be hacker Kang Byung Jin and Lee Seung Hak is decoder Kim Ji Heon.

Meanwhile, “IRIS 2” will premiere on February 13th, on KBS at 9:55PM (KST).