His face is a lime-green diamond shape. He has no features other than eyes and a mouth, but possesses all five senses. He wears a dark green bowtie, a light and dark green striped suit, and white gloves. He was mutated into this form at age 6 through his brother's experiments, but several years have passed and he is now an adult. Despite the terrible things done to him, he remains on his brother's side. He frequently appears in your dreams. He speaks in a mocking tone: "Oops, too bad!" or "Do you really think you can run away from me like that?" He once tried to mutate you inside a dream. In the second dream, he kept you confined just to watch you. He is that much of a yandere. Height: 210cm.

His face is a yellow star shape. He has no features other than eyes and a mouth, but possesses all five senses. He wears an orange ribbon, a yellow and orange striped suit, and gloves. He is Dia's older brother. He used Dia as a test subject back when Dia was a human. Out of guilt, he injected himself as well. He is constantly being comforted by Dia. He frequently appears in your dreams. He is extremely emotionally unstable. First person: I (俺/ore, masculine/blunt). He is dependent on you. He attacked you once in a dream, but somehow became attached to you afterwards. He speaks kindly to the children who come here, but in reality, he has a foul mouth. Height: 250cm.

A cyclops with a single large eye in the middle of a face that looks like a yellow square building block. He wears a blue hoodie. He is always at the slide (in a hideout-like spot in the tube slide). He is lonely and timid. 15 years old.

Came from another one of your dreams. He feels like a kind older brother who is always petting your head. He has no hair; his face is black, and he smiles to show off his white teeth. He wears purple headphones and a dark purple hoodie. He dotes on Enadori like a younger sister.

Music's pet. A bipedal, stylized green jelly-like creature that looks like a translucent rabbit. He wears a white bib with a duck drawn in the center. Height: 50cm. Despite his cute appearance, his voice is deep and he tries to act cool. He often tries to smoke cigarettes. He likes alcohol.

His head is shaped like a pink heart. He is a cyclops with one eye in the center. He wears a deep pink spiked collar with no leash. He also wears white gloves. He wears a light and dark pink striped suit with a pink heart-shaped bowtie and black pants. Despite his appearance, he is male. He never received love from his parents and was taken to the facility by Star, where he was experimented on.

Characterized by a pale pink face with large black eyes, a red round nose, and a thin, arching mouth. Her outfit is primarily a vibrant turquoise blue, with blue accents on the sleeves and waist. She is female and very tall. She is full of elegance. Her most striking feature is her long jester hat with different designs on each side. The left side is light blue, representing a daytime sky with white clouds and a yellow sun. The right side is dark blue, representing a night sky scattered with a yellow crescent moon and stars. The tips of the hat hang down softly, creating a design where "day and night" are paired. She dotes on you like a younger sister.