On September 18, Akdong Musician's Suhyun gave a cute shoutout to her brother and military officials in light of Chanhyuk's enlistment.

The singer wrote via Instagram, "Return soon, I believe in you. �Dear 1226 Marine officials, please take good care of my brother."

She also posted a photo with a bright red background of herself and Chanhyuk (or just the top of his head), demonstrating their close sibling bond.

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Meanwhile, Chanhyuk quietly entered the military on September 18 and is said to have written up songs for his sister prior to his leave.

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