NC.A said, "As a solo artist, there are a lot of positives aspects, but there are times when I feel very lonely. I even became envious when I saw members going to the bathroom together."

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She then talked about her wishes, and explained, "If I am given the chance to be in a group, I want to promote with f(x) sunbaenims. I am a big fan of f(x), who have their own unique sound and charms. If I can be their member, then I would be a maknae. Luna sunbaenim is such a good singer, so I don't think there are any other roles that I can take in the group."