Here is the full list of all 37 Zero End: Chapter One achievements.
You haven't lost anything in the first chapter.
You have chosen Amaterasu as you patron deity
You have chosen Luna as you patron deity
You have chosen Astarte as you patron deity
You have chosen Thoth as you patron deity
You have chosen Thor as you patron deity
You have chosen Aphrodite as you patron deity
You have chosen Morrigan as you patron deity
You have not chosen a patron deity
Defeated Keira with Astarte's blessing
Delivered a half-decent speech
You had to do it
You got Rayne talking about sweets
Keira... apologized?
It'll be different this time!
Confronted Rayne about her secret
Is she really...?
Weirdest dream ever...
Landon opened up to you
Thoth has deemed the teacher's actions inappropriate
Did you have fun?
Just kiss already
Thor enjoys a challenge and now so do you!
The Dean has relented. For now.
Decided to keep your promise to Brandon
Accepted Brianna's request
Odette has picked you up and dropped you.
Seen both sides of Swansong's coin...
Someone else drank, but you're the one who blacked out
You have resisted the urge...
Obtained all available information during the infiltration
Romance Rayne
Romance Keira
Let Swansong defeat you
Get Chloe's number
Entered a Faustian Bargain with Lilith
Refused the Call