On February 7, the actor posted a photo via Instagram of himself with the idol stars on a recent trip together.� The caption read, "Thank you to the ahjumma�who took this photo for us. Now let's all go home."

SEE ALSO: Park Hyung Sik tops April's actor brand reputation rankings with climbing popularity of 'Buried Hearts'

Despite the dark lighting, the trio posed together overlooking the seas.� It seems the stars took the time to enjoy a vacation despite their busy schedules.

Previously, Park Seo Joon and Hyungsik attended BTS' concert last December to show support for their celeb friend.

Meanwhile, Park Seo Joon is appearing on tvN's 'Youn's Kitchen 2', with Hyungsik confirmed to act in KBS2 'Suits'.� BTS is set to make a comeback during the first half of this year.

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