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