November 21 marks Fly to the Sky's 18th year since their official debut back in 1999.
The duo members, Brian and Hwanhee, thanked fans for their continuous support as they took a snapshot with a large blue and white anniversary cake, commemorating the special occasion.
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H2 Media Entertainment also shared a special video featuring Fly to the Sky's top 5 tracks, allowing fans to go on a nostalgic trip in light of their upcoming concert.
Meanwhile, the duo recently returned with their 2nd mini album 'Your Season'.
Congratulations on 18 years!
