Here is the full list of all 20 Paper Lily - there are Chapter 1 achievements.
Pick a drink and a snack.
Arrive at the forest.
Arrive at the lakeside.
Arrive at the facility.
Escape Miss Knives' Cage.
Reached the true ending.
Reached the wrong ending.
Meet Kozmo, Milion and Alba.
Find the secret passage.
Collect all the coins in the Locked Site.
Give a gift to the Shadow Girl.
Fix the entire electrical panel in the facility.
Free Sai from Miss Knives' cage.
That's not how you wake up in this game.
Defeat Miss Knives without skipping the battle.
Give 6 runes to Rune.
Listen to the music box until the end.
You must have missed the warning. Twice.
I wanna take it home!
Stupid Problems require Stupid Solutions.