Japanese media outlet Sankei Sports belatedly revealed on April 23 that 2AM expressed their sadness about the ferry accident during their concert 'LIVE ARCH vol. 10' at Tokyo Dome's city hall on April 20.  This event was created to encourage a wide exchange of words and feelings relating to Asian entertainment.

According to Sankei Sports, the four members performed a total of eleven songs including "You Didn't Pick Up My Calls" and "Regret," earning much applause from their fans.

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Also at the event, 2AM showed their grief regarding the tragic ferry sinking.  Sankei Sports wrote, "In relation to the sinking of the passenger ship, leader Jo Kwon showed distress and shared his feelings with his fans, saying, 'I wish everyone would pray with us,' and, 'My heart hurts so much.'"