Here is the full list of all 19 NekoMiko achievements.
Chapter1-1 Clear
Chapter1-2 Clear
Chapter2-1 Clear
Chapter2-2 Clear
Chapter3-1 Clear
Chapter3-2 Clear
Chapter3-3 Clear
Chapter4-1 Clear
Chapter4-2 Clear
Chapter4-3 Clear
Chapter4-4 Clear
Chapter5-1 Clear
Chapter5-2 Clear
Chapter5-3 Clear
Chapter6-1 Clear
Chapter6-2 Clear
Chapter7-1 Clear
Chapter7-2 Clear
Chapter7-3 Clear