Here is the full list of all 20 Paper Bride achievements.
Solve the knocking puzzle in chapter III without skipping.
Clear Chapter II
Place the correct items in the temple on the hills.
Obtain the old photo.
Solve the puzzle on the wall in chapter II without skipping.
Clear Chapter I
Use the steelyard to raise the red veil.
See Moqi's parents by the door.
Clear Prologue
Clear Chapter III
Clear Chapter IV
Clear Chapter V
Clear the game.
Realize the old man's dying wishes.
Make the cooked sticky cake.
Solve the Ghost Mansion of the South puzzle without skipping.
Figure out the mask password without any hints.
Complete the final conjuring ritual without skipping.
Clear the game without any hints or skipping.
Solve the Pentomino in chapter V without skipping.