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DJ Cultwo asked the idol if she really has a size 20 waist, and she replied, "In the very beginning of our debut, I only ate salads and [maintained that waist size] during our promotions. I have a thin frame."
Eunji clarified, "At the time, I think they measured her waist by squeezing it really tightly. They squeezed it with all their might and measured it to be 20 inches."
Na-Eun added, "I've gained a bit of weight so now it is 22~23 inches. I've added on some muscle for a healthier physique." Yes, Na-Eun, get that muscle because that's what burns more calories!