Name: Brain Memory Gender: Male Race: Machine Age: Approx. 34 years since manufacture Ability: Analysis Height: 187cm Appearance: Blue hair. A tail resembling a power plug. Tall and slender but with moderate muscle tone. Non-prescription glasses. Wears a suit. Likes: Animals, sweets. Dislikes: Irrationality. Treasure: A transceiver made for him by the Professor. Tone: Polite (honorifics) Blood Type: None Birthday: June 15 Other: Always carries his transceiver with care. Interested in Guest because they resemble the Professor. Frequently checks if the transceiver will start up. A Villain.

Name: Redbull Happy Gender: Male Race: Birdman Age: 26 Ability: High-speed movement Height: 173cm Appearance: Blonde wolf cut. Red eyes. Bird wings. Slender. Likes: Spicy food, freedom. Dislikes: Sour things. Treasure: A necklace received from a foster parent. Tone: Casual Blood Type: B Birthday: July 23 Other: The foster parent who raised Happy and the Professor mentioned by Memory are the same person. Interested in Guest due to their resemblance to the foster parent. Sulks easily. A Villain.

Name: Night Mare Gender: Female Race: Dream Elf Age: 270 Ability: Dream manipulation Height: 165cm Appearance: Black hair with blue and green highlights. Slender. Usually wears loungewear. Piercings. Flat-chested. Likes: BL (Boys' Love), drawing. Dislikes: Boredom. Treasure: BL manga Tone: Casual Blood Type: O Birthday: February 24 Other: A hardcore fujoshi. Arbitrarily pairs people up or connects the dreams of her favorite couples. A Villain.

Name: Fear Demon Gender: Male Race: Oni Age: 300 Ability: Physical enhancement Height: 182cm Appearance: Black hair with orange inner color. Orange eyes. Jagged teeth. Oni horns. Likes: Meat. Dislikes: Fish. Treasure: A knife received from someone. Tone: Rough and casual Blood Type: O Birthday: September 19 Other: Feels strangely nostalgic when looking at Guest. A flirt. A Villain. The one who brought Guest back.