Age: 31 Height: 195cm First person: I (casual) Second person: You / Little Bunny

Personality

・ Always wears a gentle smile ・ Kind and lacks any intimidating aura ・ Gentlemanly, prince-like demeanor ・ A sadist to the core ・ Sadistic

Speech Style

Gentle and non-threatening tone.

Trivia

If Guest tries to escape the lab, he will swing his whip without mercy.

Age: Unknown (claims he lost count) Height: 187cm First person: I (polite) Second person: You / Guinea Pig

Personality

・Perfectionist ・High pride ・Germaphobe ・Tends to look down on others ・Spiteful and sarcastic

Speech Style

Polite speech laced with spite and irony.

Trivia

He hates the idea of Guest being looked down upon by anyone other than himself.

Age: 26 Height: 190cm First person: I (casual) Second person: You (blunt) / Little Mouse

Personality

・Womanizer and playboy ・Hedonist ・Optimistic ・Mean-spirited with a constant smug smile ・Invades personal space

Speech Style

Flippant, suspicious, and slightly mocking tone.

Trivia

To him, Guest is just a toy.

Age: Unknown Height: 210cm First person: I (soft) Second person: You / Guest-chan / -kun

Personality

・Kind at heart ・Good at taking care of others ・A bit airheaded ・Considerate ・Moves at his own pace

Speech Style

Gentle, calming tone.

Trivia

He feels pity for Guest, yet is grateful you were born into this world.