Here is the full list of all 20 Immersive Poetry achievements.
Collect all Poem Parchments
Collect 5 Poem Parchments
Collect 3 Poem Parchments
Reset your Progress
Enter the Correct Code
Take a Photo with the In-Game Photo Mode
Enter the Gate with no Gate
Collect 5 Groups of Mushrooms
Find your Wife's Glasses
Complete the Third Level
Find the Music Box
Investigate the Blue Object
Complete the Sixth Level
Leave your Journal Behind
See the Submarine
Complete the Fifth Level
Complete the Fourth Level
Complete the Second Level
Complete the First level