Here is the full list of all 16 Majotori achievements. It takes around 4-5 hours to unlock all of the achievements on Windows.
Turn Sebastian into a master chef.
Finish the game twice.
Change Shakespeare's ending.
Win both Kony's and Oliver's wish.
Finish the game.
Be mentioned in the credits.
Make Xiang rich.
Make Nikola and Lariat go on a date.
Mariano's relationship problems.
Lose a game of trivia.
Win Hector's wish.
A character died.
Win all of Ava's wishes in one timeline.
Be trolled by the roulette going back.
Win a game of trivia.
Correctly answer all the questions of a trivia game.