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.
View Kuko'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
View Relfilym's CG at gallery for the first time
Collect All CGs
Clear All Arika's stage
Clear Arika's stage 4
Clear Arika's stage 3
Clear Arika's stage 2
Clear Arika's stage 1
Clear All Ao's stage
Clear Ao's stage 4
Clear Ao's stage 3
Clear Ao's stage 2
Clear Ao's stage 1
Clear All Kuko's stage
Clear Kuko's stage 4
Clear Kuko's stage 3
Clear Kuko's stage 2
Clear Kuko's stage 1
Clear All Relfilym's stage
Clear Relfilym's stage 4
Clear Relfilym's stage 3
Clear Relfilym's stage 2
Clear Relfilym's stage 1
Finish Tutorial
Start the game