Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Assault	Chapter 6: Assault Cleared.
Blue Little Lady	Chapter 5: Blue Little Lady Cleared.
Connection	Chapter 2: Connection Cleared.
Ctrl Jammer	You can now skip in-game text by pressing the Ctrl key.
Encounter	Chapter 1: Encounter Cleared.
End of Sorrow	Chapter 4: End of Sorrow Cleared.
Gallery Mode	Used the Gallery Mode.
Harmonia	Started the game for the first time.
Liberation of the Heart	Chapter 3: Liberation of the Heart Cleared.
Music Mode	Used the Music Mode.
The First Tone	Chapter 0: The First Tone Cleared.
Todoketai Melody	Completed Harmonia.
Warm Memories	Chapter 7: Warm Memories Cleared.
World in Harmony	Chapter 8: World in Harmony Cleared.