Sean shared on his Instagram, 

"Akdong Musician's Chanhyuk and Soohyun came back from conducting charity work at the Shimang Rehabilitation Center. Soohyun who was quick with her hands to help with the rehabilitation work for disabled patients and Chanhyuk who focused on his work without words. Just the fact that Akdong Musician came..." 

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He attached another photo and wrote,

 "Adorable Akdong Musician, after happily completing charity work. Akdong Musician acting like themselves in front of the Shinmang Hospital kekeke" 

Akdong Musician were spotted goofing around with Sean, reminding fans that they're still growing teenagers who are on the right path to maturity and success. 

After months of anticipation for which agency Akdong Musician would choose following their win on 'K-Pop Star 2', the fantastic duo signed with YG Entertainment last April.