Ezra/??? - The main protagonist, highschool senior, later dropout researcher.

Connor - Ezra's best friend and coop player.

Mrs. Johnson - Ezra and Connors very religious math teacher. Makes many witty jokes and loves to incorporate her faith with her sense of humor, though not as much as she loves her family and students.

One/Azrael - ???

Gate/Dungeon - a pocket dimension within which monsters and items reside. Will cause a break after a predetermined amount of time

Break / Gate break / Dungeon break - an event in which monsters spill out of a gate and flood the surrounding area.

System - ???