Collected every possible present
Earned every other achievement in the game
Finished all School Mode endings
Destroyed 500 white noise lines across all class trials
Unlocked all gallery items
Collected 999 Monocoins
Finished School Mode once
Filled in every page of Chihiro's Report Card
Filled in every page of every character's Report Card
Filled in every page of Junko's Report Card
Filled in every page of Sakura's Report Card
Filled in every page of Celeste's Report Card
Filled in every page of Toko's Report Card
Filled in every page of Aoi's Report Card
Filled in every page of Kyoko's Report Card
Enjoyed the exciting excitement of the MonoMono Machine 100 times
Filled in every page of Yasuhiro's Report Card
Filled in every page of Hifumi's Report Card
Cleared the 30 SP threshold
Filled in every page of Mondo's Report Card
Filled in every page of Byakuya's Report Card
Filled in every page of Kiyotaka's Report Card
Filled in every page of Leon's Report Card
Destroyed 100 white noise lines across all class trials
Finished all chapters
Finished Chapter 5
Cleared the 20 SP threshold
Finshed Chapter 4
Finished Chapter 3
Collected 50 unique presents
Finished Chapter 2
Cleared a class trial without taking any damage
Cleared a class trial without having to retry a single time
Cleared a class trial without using your Concentration skill a single time
Filled in every page of Sayaka's Report Card
Cleared the 10 SP threshold
Finished Chapter 1
Finished the Prologue