Kim Chung Ha revealed in a recent interview that her former IOI members congratulated her on her latest comeback.

The solo singer sat down for an interview in light of her comeback, where the topic of a new era of female artists such as Sunmi and Suzy came up. Kim Chung Ha replied, "I'm thankful just for the fact you brought it up. I'm aware that I'm still lacking in many areas to be even brought up in the same conversation as Sunmi and Suzy sunbaenims, so I think I need to work even harder than now."

Kim Chung Ha then shared that her former IOI members have been congratulating her, for the positive results on her title track "Roller Coaster". "They're congratulating me a lot. They've been monitoring my performances and because I don't go on the computer often, they saved and sent me pretty GIFs as well. They also sent me where I ranked.'"

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What did you think of her latest comeback?