Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Alma del Gran Keldran	Listen to Keldran's magnificent opera performance.
Archangel	Get the Michael Route Archangel ending.
Chicken General	Hear Michael squawk in Chapter 2.
Crushed Wings	Get the Ace Route bad ending.
Emperor's Favourite	Get both Keldran poly route endings.
Exodus	Get the Keldran poly route bad ending.
Fallen for You	Get the Ace Route good ending.
Flaming Sword	Destroy the Cocoon in Chapter 5 Michael.
Free to Love	Complete Ace Route Chapter 4.
Full Deck	Get both Ace Route endings.
Gloria in Excelsis	Meet Keldran in Chapter 1.
Holy Blessing	Complete Michael Route Chapter 4.
In Too Deep	Complete Keldran poly route chapter 5A.
It got Dangerous, Kitten	Hear Ace being kicked from the Blooming Panic server.
Raphael's Cafe	Choose the cafe option in Michael Chapter 3.
Spring Cometh	Get both Michael Route endings.
Three of Us	Get the Keldran poly route good ending.
To Be Human	Get the Michael Route Earth ending.