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.
Slept for 3 whole days.
Cauldron of Knowledge stolen by Meklet and Atomina.
Satisfied Plachta during Doll Making.
Changed Plachta's appearance.
Defeated Nazarus.
Enjoyed a waterside vacation with Leon.
Reached maximum Request rank.
Went on a date with Tess.
Harol showed you the repaired clock.
Reached maximum adventurer level.
Found out the machine box is a music box.
Put on a new outfit.
Received a present.
Turned Plachta into a doll.
Failed to turn Plachta into a human.
Inspected a barrel.
Enhanced a weapon or armor.
Crafted a weapon or armor.
Found the identity of the voice in the cabin.
Registered an item at the duplication shop.
Saved by a mysterious person.
Something bad happened while traveling.
Purchased a rumor.
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.
Saw Elise without her glasses on.
Walked in on Horst playing the piano.
The donation to church reach the target figure which makes Pamela very happy.
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.