Here is the full list of all 19 Human Farm - there are Practice Section achievements.
Found the passage to the underground secret room
Got Ayana's cow costume
Got ID
Found the suspected spy
Got Professor's Notes 1
Got Professor's Notes 2
Got Professor's Notes 3
Got Professor's Notes 4
Got Professor's Notes 5
Found the mountain cabin
Get the Beginner's Handbook for Fingering
Passed Happy End?
Passed True End
Get the milk tank
Get the collar
Get the fishing rod
Get the compression bag
Get the wet vibrator
Get the Honda's daily journal