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