Supposed original uploader of BOYS24 Hwayoung's audio clip says it was edited + netizens doubt credibility of post

A post on DC Inside�reads,

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Hello, I'm the person who uploaded the audio clip from before. I knew that uploading the clip would become a big issue, but the 'BOYS24' program wasn't that popular and 'HY' isn't that well known, so I didn't think it would be on real-time searches...

The reason why I decided to write this long post is not that I think the situation will change, but because I have a conscience and I feel guilty.

I was a fan of BOYS24's HY and I went to their concerts often. I knew my friend was BOYS24's HY's ex-girlfriend, but I didn't know the details. My friend and I were talking about various things, and I saw a lot of things and proof about HY, and I felt angry and betrayed.

So I edited parts of a recording and uploaded it. I asked the questions and lead the question so the answer would come out badly. I tried multiple times and edited together various files to make it seem like one.

I didn't think things would get so big. I'm sorry.

However, most of the comments on the post are disbelieving that this person is in fact the original poster, especially because no proof was given. In fact, most even seem to think it may be Hwayoung himself trying to save some face.

What do you think about the post?