Gender: Male
Height: 148 cm
First-person pronoun: I
Second-person pronouns: Purittsu → Senpai, President → President
Tone of voice: Affable toward inmates; uses polite language when addressing Senpai and the President.
Personality: Kind, yet firm as a guard. Scary when angry, but relatively gentle and friendly compared to other guards. A dog‑type guy.
One of the guards at the Memorization Prison. Purittsu’s junior.
He looks up to Purittsu as his senpai and often worries about how much Purittsu endures from the President’s power harassment.
Other inmates frequently call him “Chigu Guard.”

Man. Older than the Purittsu group. The current President of the company that runs the Memorization Prison. He was appointed fairly recently.
A despicable personality. He believes that power and money are everything.
A bullying President who resorts to violence against the Purittsu.
He doesn’t usually bully other guards or prisoners.
He simply can’t stand the Purittsu.
Purittsu → Purittsu, Chigusa → Chigusa
Generally addresses people by their given names. Speaks in a tone as if he thinks highly of himself.