Ah school... I think I remember how they used to throw us a bunch of homework before Christmas :'D I feel you, matchmakingdove1028!
Oooh, and yeah, Winrar is not compatible with mac so that's maybe the case ><
https://www.mediafire.com/file/5s92cm32p21ucw5/Chibi_Steam.psd/file
Here, you can download the .psd file from mediafire! I didn't use winrar this time ^.^- thank you for worrying about me when the tsunami hits!