You have to unpack the archive.rpa file... Then just extract the zip on the game folder...
I've edited some arts that were missing! Specifically those that Ric said they were bugs:
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The two full tan I've compared the colors with those already in game so I'm confident they're fine, the other two not so much as I had to edit them using only the mouse... If you think they're good enough, please include them on the game, because I've tried adding them, but had no luck... I'm not very good with Ren'Py yet...
By the way this happened on your last version, but I'm not sure it was this way on the previous one:
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It's like she's in a Kabuki play... Looking at the code, when you tell Rogue to use the new hair it forces the R_Tan=0, and that's fine, but if you change her tan right after she gets this way... It's missing the art too? Or this is really a bug?