Successfully complete the indicated task to unlock the corresponding achievement.

Achievement	How to unlock
A strong faith	Within the girl is born a strong faith in him.
All Clear	You've seen the entire story.
Black	Completed all Bad Endings.
Blue	Completed 25% of the Bad Endings.
Complete!	You've completed all of the CG scenes!
Halfway there!	You've gathered 50% of the CGs.
I can't take it anymore!	Sometimes you feel like you want to throw in the towel.
Just a little more...	You've gathered 75% of the CGs.
Memories	Seek out one of the gems.
Not yet	You've gathered 25% of the CGs.
Red	Completed 75% of the Bad Endings.
Scenes that remain in your heart	Each of those moments are a part of your journey...
Something I want to confirm	Overlooking things is forbidden.
Traces of the girl	Try standing still from time to time.
Welcome to Manten Aquarium	You've started the game.
Yellow	Completed 50% of the Bad Endings.