You can find location of the save files here:
Windows: C:\Users\yourusername\AppData\Local\Secret_Care_Cafe 
MAC: /Users/Yourusername/Library/Containers/com.raresecret.secretcarecafe/Data/Library/Containers/com.raresecret.secretcarecafe/Data/Library/Application Support/com.raresecret.secretcarecafe
or here:
/Users/Yourusername/Library/Application Support/com.raresecret.secretcarecafe