Brave Girls re-release “Rollin'” for reasons that escape me, also missing member Hayun

I’m rather confused at the moment, but Brave Girls recently re-released “Rollin’” with some tweaks to the song and even shot a new music video for it. Don’t get me wrong, I enjoyed “Rollin'” like most of you did, but … why?

I guess it’s a summery version, but did any of the changes really improve the release? I don’t really care for them.

Additionally, fans noticed member Hayun was missing from the group for a while now, and their company Brave Entertainment finally said that she was not doing activities for health reasons. I’m … skeptical, honestly.