On January 2, Nichkhun posted a black and white photo with the caption, "My brothers! I only wish you all good health and happiness! I love you guys!"

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The snapshot featured his fellow group members Chansung, Jun.K, and Taecyeon, who was on vacation from the army, dining at a Korean BBQ restaurant, and happily holding up their wine glasses.

Another photo included member Wooyoung, posing proudly with 2PM.

What a way to celebrate! It's great to see their brotherly bond still going strong.

My brothers! I only wish you all good health and happiness! I love you guys!

A post shared by Nichkhun Buck Horvejkul (@khunsta0624) on Jan 2, 2018 at 5:37am PST

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A post shared by Nichkhun Buck Horvejkul (@khunsta0624) on Jan 2, 2018 at 6:06am PST