Here is the full list of all 28 A Rose in the Twilight achievements.
Complete Time Attack for Clock Tower Upper Level within 1:50.
Obtain all the collections.
Obtain all Blood Memories.
Defeat Viola.
Clear Path to Abyss.
Throw Rose 100 times.
Defeat Blanc.
Clear Clock Tower.
Watch the moon from somewhere in the castle.
Die 100 times.
Rescue Rose after she is taken.
Clear Library.
Watch the last moments of a beast.
Obtain 10 Blood Memories.
Clear Courtyard.
Obtain 5 Blood Memories.
Clear Armory.
Die 30 times.
Clear Dungeon.
Die 10 times.
Giant kills Rose by throwing her.
Complete Time Attack within 1:20:00.
Complete Time Attack within 1:50:00.
Giant jumps off from the highest point in the castle.
Clear Path to Abyss 1 without touching any mushrooms.
Clear Time Attack within 2:40:00.
Clear Time Attack for Path to Abyss 2 within 2:10.
Perform a nice shot with Rose at Courtyard 4.