Here is the full list of all 45 Atelier Sophie: The Alchemist of the Mysterious Book achievements.
Finished the battle, and returned to the atelier.
Defeated Luard.
Unleashed a special attack.
Defeated Nazarus.
Cauldron of Knowledge stolen by Meklet and Atomina.
Satisfied Plachta during Doll Making.
Changed Plachta's appearance.
Reached maximum adventurer level.
Found out the machine box is a music box.
Put on a new outfit.
Turned Plachta into a doll.
Received a present.
Failed to turn Plachta into a human.
Enhanced a weapon or armor.
Found the identity of the voice in the cabin.
Crafted a weapon or armor.
Registered an item at the duplication shop.
Saved by a mysterious person.
Slept for 3 whole days.
Purchased a rumor.
Something bad happened while traveling.
Inspected a barrel.
Defeated a Puni in your first battle.
Met Plachta.
Collected all trophies.
Given a challenge by Plachta.
Enjoyed Monika's concert.
Saw Oskar carrying Monika in his arms.
Enjoyed a waterside vacation with Leon.
Harol showed you the repaired clock.
Saw Elise without her glasses on.
Walked in on Horst playing the piano.
Went on a date with Tess.
The donation to church reach the target figure which makes Pamela very happy.
Witnessed Logy find new determination.
Got good at playing the piano.
Reached maximum Request rank.
Raised friend level of all party members to maximum.
Saved up 100,000 Cole.
Reached maximum alchemy level.
Learned every single recipe.
Defeated Yasuk.
Defeated Dorak.
Defeated the Light Elemental.
Defeated the Demon Lord.