Here is the full list of all 12 Who Am I: The Tale of Dorothy achievements.
Reach the final event of 'Sweet Home'.
Reach the final event of 'Depression and Delusion'.
Reach the final event of 'My Little Bunny'.
Reach the final event of 'In The Illusion'.
Reach the final event of 'Crime and Punishment'.
Reach the final event of 'Bloody Rhapsody'.
Reach the final event of 'Prince and Princess'.
Reach the final event of 'Owner of Shoes'.
See a 'Game Over' ending.
See 'The Long, Long Dream' ending.
Complete the game within 2 weeks.
Reach week 25.