Here is the full list of all 16 The Immaculate Drag achievements.
Sit on every bench.
Get the "Haunted" ending.
When that foghorn blows...
Find ALL the discarded drafts.
Get inside the lighthouse.
Find all the discarded drafts.
Talk to no one.
Get the "Asking for It" ending.
Play The Immaculate Drag twice in one sitting.
Get the "New Morning" ending.
Take your time.
Smoke and chat with everyone.
What, are you bored or something?
Annoy Dino.
Watch the Big Smokes commercial.
Have your first smoke of the night.