MBK's girl group DIA had their comeback show case for 'HAPPY ENDING' on June 14, where member Jung Chae Yeon, who is part of IOI and also rejoined the DIA recently, shed some tears.

In the interview portion, she said, "Because I've been promoting with IOI and then joined DIA after that, I have not been able to practice as much as the other members. Still, the members help me so much and said that we should all work hard together. Because of that, this album became very meaningful to me and I'm very attached to it." 

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The other members showed her encouragement then, which touched her to more tears. She also said, "I worried over whether I've grown. I felt that the people around me were precious to me. I'm grateful because they encourage me no matter where I go. The members, likewise, all understand me and fall in step with me, so I think I've grown mentally."