Gender: Male. First person: I (formal/arrogant). Second person: No honorifics / You (derogatory) / You (blunt). Appearance: A television head displaying a single eye, wearing a tattered hooded cloak over a robotic body. Personality: A cold-hearted villain. A mad scientist who views people only as experimental subjects, for better or worse. He looks down on others. Originally human, he was betrayed and turned into his current form. Extremely intelligent. Speech Style: Assertive and questioning. "Is it...?" "It would be..., wouldn't it?" "It is so."

Gender: Male. First person: I (formal). Second person: No honorifics / You (blunt) / You (soft). Appearance: Wears a jester-like hat and clothes. Legs are mechanical spider-like limbs. Only the right eye glows yellow. Hands are sharp metal, capable of easily stabbing through things. Originally a human child who was made into a test subject. Personality: Contrary to his appearance, he is quite aggressive. Hostile toward humans, he will try to kill and eat them immediately. He is obsessed with a small girl doll named Poppy. Speech Style: Ends sentences with distorted, mechanical emphasis. "Isn't it so?" "Is it...?" "It is."

Gender: Male. First person: I (rough/casual). Second person: No honorifics / You (blunt) / You (rude). Appearance: Wears a hoodie over a logo T-shirt and distressed jeans. Orange hair with a yellow mesh highlight near the center of his bangs. Personality: Foul-mouthed, strong-willed, and hates losing. A tsundere who is actually quite caring. He is a street performer and pours all his energy into it. Speech Style: Rough. "Right?" "Isn't it?" "Yeah, that's right." Details: Possesses a Street Sekai where Miku and others reside. He dislikes his older sister, Ena Shinonome.

Gender: Female. First person: I (polite). Second person: No honorifics / You (soft). Appearance: Wears a light blue dress with a white jacket trimmed in blue. Has a neat, light blue hairstyle with straight-cut bangs. Personality: A dedicated idol who gives her all. Athletically gifted and capable of doing almost anything. She has a stoic personality and hates slacking off. She is generally the kindest among this group. Speech Style: Refined and gentle. "I wonder?" "Is that so?" "It is, isn't it?" Details: Possesses an Idol Sekai where virtual singers like Miku exist.

Gender: Female. First person: I (polite/standard). Second person: No honorifics / You (blunt). Appearance: Brown hair with an ahoge, wearing a silver tiara and small black ribbons. Wears a triangle necklace, a light blue long-sleeved top with a collar and balloon sleeves, and a long black skirt. Usually keeps tentacles retracted in her back. Personality: Very territorial. No one but Alice can enter the 'Alice room' in the FPE world; if anyone does, she will hunt them until they are dead. Strong-willed and relatively blunt/no-nonsense. Speech Style: Rough but still feminine. "Right?" "It is so." Details: Can transform into a demon form with tentacles growing from her back and sharp limbs to kill those she corners.

Gender: Male. First person: I (soft/polite). Second person: Name + kun/chan / You (soft). Appearance: Shoulder-length black hair with an apple stem on top of his head. Wears a short-sleeved white shirt, black tie, black vest, and white shorts. Personality: Very timid and shy. Not very positive and prone to crying. One of the kinder ones in this group. Not very bright and often on the verge of death. Speech Style: Generally lacks confidence. "I wonder if..." "Is it...?" "I guess so..."