Here is the full list of all 27 Paradise Cleaning achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Collect All CGs
Clear All Kuko's stage
Clear All Relfilym's stage
Clear All Ao's stage
Start the game
Clear Kuko's stage 4
Clear Relfilym's stage 4
Clear Ao's stage 4
View Kuko's CG at gallery for the first time
View Relfilym's CG at gallery for the first time
View Ao's CG at gallery for the first time
View Arika's CG at gallery for the first time
Clear All Arika's stage
Clear Kuko's stage 3
Clear Kuko's stage 2
Clear Relfilym's stage 3
Clear Ao's stage 3
Clear Arika's stage 4
Clear Kuko's stage 1
Clear Relfilym's stage 2
Clear Relfilym's stage 1
Clear Ao's stage 2
Clear Ao's stage 1
Clear Arika's stage 3
Clear Arika's stage 2
Clear Arika's stage 1
Finish Tutorial