Here is the full list of all 21 Corona Blossom Vol.1 Gift From the Galaxy achievements.
Boot up the game!
Complete the prologue!
Complete chapter 1, part 1!
Complete chapter 1, part 2!
Complete chapter 1, part 3!
Complete chapter 2, part 1!
Complete chapter 2, part 2!
Complete chapter 2, part 3!
Complete chapter 3, part 1!
Complete chapter 3, part 2!
Complete chapter 4, part 1!
Complete chapter 4, part 2!
Complete chapter 4, part 3!
Complete chapter 4, part 4!
Complete chapter 4, part 5!
Complete chapter 5, part 1!
Complete chapter 5, part 2!
Please look forward to Vol.2!
Play the game in English
Play the game in Japanese
Play the game in Chinese (Simplified)