Joy the summer여름을 보내다(feat.구본혁ku bon hyuck) -Credit- composed,arranged(작곡,편곡) by ku bon hyuck(구본혁) / elec guitar by ku bon hyuck(구본혁) ...
Sarang -credit- writtened,composed,arranged(작사,작곡,편곡) by ku bon woong(구본웅) produced(제작) by ku bon woong(구본웅) vocals,all...