Here is the full list of all 27 NEKOPARA Vol. 3 achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Clear Chapter 15
Clear Chapter 14
Clear Chapter 13
Clear Chapter 12
Clear Chapter 11
Clear Chapter 10
Clear Chapter 9
Clear Chapter 8
Petted Shigure
Petted Chocola
Petted Vanilla
Clear Chapter 7
Petted Maple
Petted Azuki
Petted Coconut
Clear Chapter 6
Petted Cinnamon
Bouncy, bouncy~
Clear Chapter 5
Clear Chapter 4
Clear Chapter 3
Clear Chapter 2
Try playing it in English!
Clear Chapter 1
Welcome to NekoPara!
Try playing it in Chinese!
Try playing it in Japanese!