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