Here is the full list of all 21 Vampires' Melody achievements.
The winner in life
Thank you for playing~~
Complete Chapter 8: New World
Nothing, and everything
Do Not defy the law
Three shots and six holes
Earth and Ether
The end of the sea
Complete Chapter 7: If this second lasts...
Complete Chapter 6: A Beautiful Moment
Complete Chapter 5: Decision
Complete Chapter 4: The Line between Life and Death
Another new world?
Complete Chapter 3: Nowhere to Stay
Complete Chapter 2: Survival
Normal people wouldn't believe it
The rain that never ends
Lonely exile
Complete Chapter 1: Waking up from a Dream
Complete Prologue: An encounter
Welcome to Vampires' Melody