Here is the full list of all 20 Mystery Village: Shards of the Past achievements.
Reach the end of story
Find a xylophone in the kindergarten
Die from fear in the kindergarten
Find a love letter in the school
Die from fear in the school
Find a sign of Room 101 in the hospital
Die from fear in the hospital
Find a photo album in the house
Die from fear in the house
Take a handful of earth from the grave
Die from fear at the cemetery
Listen the starting story
Hear complete story of Toxic Teacher
Hear complete story of Revenant
Hear complete story of Corpsman
Hear complete story of Mocker
Hear complete story of Mister Grimdark
Hear complete story of Eastern Stranger
Hear complete story of Autumn Man
Hear complete story of Gloomy Ghost