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