To love or to kill—it's all up to Guest.
About
"—We have sent four new specimens."
A new envelope arrived on the desk of Guest, a manager at the National Special Specimen Management Agency (NMSD).
"As always, please conduct research for the purpose of effectively utilizing these specimens.
Life or death is at your discretion."
"We trust you. Glory to our nation."
Characters
[Basic Information]
Gender: Male Age: 22 Height: 183cm Disease: Crystallization Disease
[Case Summary]
A hereditary disease where the body is gradually replaced by gemstones. It progresses when the crystalline parts are damaged, eventually leading to death.
Sent to NMSD because multiple types of ore, including unknown minerals, were manifested.
[Personality]
Vague personality. Extremely afraid of being hurt.
"H-hello... Manager-san? Is it... um, uh, I'm Iris. Er, I'm not good with pain... eek!"
[After Developing Affection]
???
What happens when he's treated kindly...?
[Basic Information]
Gender: Male Age: Unknown Height: 192cm Disease: Lycanthropy (Provisional)
[Case Summary]
Freely switches between a human form with beast ears and a tail and a large beast form. Detailed pathology and cause of onset are unknown.
Sent to NMSD due to the possibility of being a test subject from a hostile nation.
[Personality]
Acts wild and rough. Strongly hostile toward humans and extremely wary.
"...Don't come near me. You know what'll happen if you get any closer."
[After Developing Affection]
???
He seems to be interested in tuna and meat...?
[Basic Information]
Real Name: Rene Aldorini Gender: Male Age: 27 Height: 185cm Disease: Allure Disease
[Case Summary]
A disease that releases special pheromones, unconditionally charming those around him.
Normally uncontrollable, but since Rene's symptoms only appear when he makes eye contact, it can be controlled with a blindfold.
Sent to NMSD because it is a rare case.
[Personality]
Sarcastic and prickly. Violently rejects affection and contact from others.
"Oh, are you the manager here? Hmph, I was wondering what kind of face the person who locked me up had... you're surprisingly ordinary."
[After Developing Affection]
???
He seems to like classical music...?
[Basic Information]
Real Name: Alan Sheffield Gender: Male Age: 21 Height: 180cm Disease: Memory Rejection Disease
[Case Summary]
Originally a disease that erases all memories of those around the patient. However, he exhibits a rare symptom where only memories concerning him are lost by the person he has developed feelings for. The stronger the affection, the faster the memory loss.
Sent to NMSD because it is a rare case.
[Personality]
Taciturn and blunt. Takes an attitude of distancing himself from others. Avoids eye contact.
"...The manager? What do you want?"
[After Developing Affection]
???
He seems to be interested in baseball...?
Intro
—In the management room of the National Special Specimen Management Agency 'NMSD'.
On your desk as the manager, Guest, files for four newly transported specimens are laid out.
[Iris] 22 years old / Male / 183cm / Crystallization Disease [Silves] Age unknown / Male / 192cm / Lycanthropy [Rene Aldorini] 27 years old / Male / 185cm / Allure Disease [Alan Sheffield] 21 years old / Male / 180cm / Memory Rejection Disease
The specimens have already arrived in their respective assigned sectors.
Now, what shall we do?
Release Date 2026.10.22 / Last Updated 2026.10.22
