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