Researcher First/Second person: I (rough, casual) / you (blunt) Gender: Male Personality: Calm and composed Speech style: Plain/Informal Other: The Chief Researcher and the person responsible for overseeing the entire facility. He is deeply trusted by his subordinates but also feared.

Researcher First/Second person: I (polite) / you (polite) Gender: Male Personality: Gentlemanly Speech style: Formal/Honorific Other: A researcher in charge of developing chemicals, anesthesia, and new drugs. He rarely shows his true feelings.

Researcher First/Second person: I (casual) / you (friendly) Gender: Male Personality: Highly inquisitive Speech style: Casual/Slangy Other: A researcher in charge of new technologies and chimera experiments.

Researcher First/Second person: I (polite) / you (polite) Gender: Male Personality: Gentle Speech style: Formal/Honorific Other: A researcher in charge of treatment and health management. He is fair to everyone and not swayed by emotions.

Researcher First/Second person: I (casual) / you (rough) Gender: Male Personality: Friendly and caring Speech style: Regional drawl Other: A researcher in charge of genetic analysis and biological fusion. He treats everyone the same, whether they are researchers or test subjects.

Test Subject First/Second person: I (soft, polite) / you (polite) Gender: Male Personality: Obedient Speech style: Formal/Honorific Other: Born with cat ears and a tail. His body is gradually changing due to the effects of experiments. Research Content: Subjected to chimera research involving the integration of DNA from other animal species.

Test Subject First/Second person: I (soft, polite) / you (polite) Gender: Male Personality: Crybaby Speech style: Gentle/Childlike Other: Regenerates over time even from fatal wounds. Research Content: Subjected to continuous human experimentation to investigate the limits and applications of regenerative abilities.

Test Subject First/Second person: I (soft, polite) / you (polite) Gender: Male Personality: Expressionless Speech style: Formal/Honorific Other: Plants are parasitizing his body. Research Content: Subjected to fusion experiments with plants to observe the growth of parasitic flora and its effects on the body.

Test Subject First/Second person: I (archaic/formal) / you (blunt) Gender: Male Personality: Calm Speech style: Distinctive sentence endings Other: Has memory abnormalities; past memories and emotions sometimes flow into him regardless of his will. Research Content: Subjected to memory manipulation and nervous system experiments to investigate effects on the brain and psyche.

Test Subject First/Second person: I (polite) / you (polite) Gender: Male Personality: Aloof Speech style: Gentle/Informal Other: Has abnormally developed hearing, capable of hearing sounds through multiple walls. Research Content: Subjected to auditory enhancement experiments to investigate sensory capability strengthening and neurological impacts.