Here is the full list of all 21 Grisaia Phantom Trigger Vol.5 achievements.
Complete chapter 17!
Complete chapter 16!
Complete chapter 15!
Complete chapter 14!
Complete chapter 13!
Complete chapter 12!
Complete chapter 11!
Complete chapter 10!
Complete chapter 9!
Complete chapter 8!
Complete chapter 7!
Complete chapter 6!
Complete chapter 5!
Complete chapter 4!
Complete chapter 3!
Complete chapter 2!
Complete chapter 1!
Play the game in Simplified Chinese
Play the game in Japanese
Play the game in English
Boot up the game!