At certain intervals, these characters will disappear from their seat. Below is the list of choices you need to make in order to witness their disappearance.

LITTLE MARY

• Second Hour: "I sense relief as Mary uttered those words."
• Fourth Hour: "They are the essence of what we have left."
• Fifth Hour: "Talk to Little Mary."
• Sixth Hour: "Talk to Little Mary."

DIYU

• Second Hour: "Is that really the right answer?"
• Fourth Hour: "Talk to Diyu."
• Seventh Hour: "Nurture." (Requirement: Darwin's disappearance)
• Ninth Hour: "Talk to Diyu."

DARWIN

• Third Hour: "Okay."
• Fourth Hour: "Talk to Darwin."
• Sixth Hour: "Normality doesn’t exist." (Requirement: Little Mary's disappearance)
• Seventh Hour: "Talk to Darwin."

BLUEBIRD

• Third Hour: "Okay, I’m ready."
• Sixth Hour: "Not really…"
• Seventh Hour: "Talk to Bluebird."
• Tenth Hour: "Talk to Bluebird."