Here is the full list of all 28 The Lust City achievements.
Complete the game!
Have sex with Deshira
Have threesome with Zuli and Lapis at banquet
Have threesome with Zuli and Lapis
Fun times in Chambers
Have fun with Sofia in Bathouse
Have sex with Arya at banquet
Have sex with Xyla at banquet
Have threesome with Xaya and Xana at banquet
Choose your favorite from the group at banquet
Talk solo to Xyla
Ask Deshira about artifacts
Ask Deshira about General and Jyra
Have threesome with Alyssa and Elizabeth
Find crown with Arya
Ask Spirit of Lust about Fernando
Ask Spirit of Lust about Jyra
Give map to Arya
Have conversation with Xaya in front of the gates
Have fun with Zuli in temple
Check Elizabeth and give her necklace
Look for Arya's temple
Look for Zuli's temple
Choose bit of both
Choose submission
Choose dominance
Start a new game!
Give map to Sofia