Here is the full list of all 9 迷宮校舎 | School Labyrinth achievements.
Escaped School Labyrinth on a difficulty level of hard or less.
Escaped School Labyrinth on a difficulty level of nightmare.
Breaking the glass of a door with a basketball
Drank too many energy drinks and grew wings.
Lots of pills in one play.
Use the buzzer while being spotted by the enemy
Stun 3 or more enemies at once.
Clear with three or more bindings.
Difficulty Nightmare, clear with bindings.