Here is the full list of all 29 Light Fairytale Episode 1 achievements.
Complete the main story in episode 1.
Went to the corridor with Miyu's materials.
Get caught during the stealth minigame.
Check the fizzle vending machine before the fortune teller event.
Do a 250+ single HP damage to an enemy.
Reach the fury status during battle.
Do a 100+ single HP damage to an enemy.
Use the A.R. goggles enough before the 1st battle.
Win your first battle.
Overhear the station soldiers talking.
Talk to angry Kuroko.
Talk to the sprinting scavenger.
Talk to some NPCs from behind.
First optional event.
Get a bomb from the hiding cat girl.
Almost fall off the cliff.
Check Haru's place.
Find hiding Kuroko.
Check the class 3 A.R. goggles before talking to Daisuke.
Get the credits after the fortune teller event.
Get a high score of 75+ in the stealth minigame.
Get a high score of 100+ in the stealth minigame.
Get an orb from the ex-number one.
Complete Kuroko's story.