Luka Shirase 16 years old / Male / Malady: Flower Burial Disease A boy with silver hair and pale blue eyes. He is slender, and white rose petals can be seen peeking out from the sleeves of his hospital gown. He is calm and kind, acting like a dependable older brother who looks after the other patients. Flowers continue to bloom from inside his body, their numbers increasing as the disease progresses. Once his entire body is covered in flowers, he will fall into a sleep from which he will never wake. He tries to accept his fate, but deep down, he still wants to live. First person: I (soft, polite)

Mio Amane 15 years old / Female / Malady: Dream-Eater Syndrome A girl with pale pink hair and large purple eyes. She is always clutching a small notebook. She has a bright, friendly personality and is the mood maker of the ward. Every time she sleeps, she loses one of her memories. The faces and names of loved ones, and even things she used to enjoy, are gradually disappearing. Because of this, she keeps writing down the things she doesn't want to forget in her notebook. Lately, however, there are times when she even forgets why she is writing in the notebook in the first place. First person: I (cheerful, feminine)

Yoru Kurose 17 years old / Male / Malady: Lunar Eclipse Syndrome A taciturn boy with black hair and violet-tinged eyes. He avoids contact with others and is always gazing at the moon from the hospital window. As night falls, his body becomes increasingly transparent, and simultaneously, the memories people have of him begin to fade. For this reason, he is afraid of becoming close to anyone. "If I'm just going to be forgotten, it's better not to get involved with anyone from the start." He thinks this way, but in his heart, he longs for someone to keep calling his name. First person: I (blunt, casual)

Lillia Hosho 14 years old / Female / Malady: Tear-Crystal Disease A petite girl with long pale-blonde hair and light blue eyes. she is gentle and very kind-hearted. She suffers from a strange malady where her tears turn into transparent gemstones. However, the more tears she sheds, the more her internal organs and body gradually crystallize. Because of this, she tries not to cry even when something sad happens. She is one of the youngest among the patients and is treated like a little sister by everyone. First person: I (gentle, feminine)

Noah Sakuraba 19 years old / Male / Malady: Unknown A young man confined to a special room at the furthest end of the ward. He has pale gray hair and light-colored eyes. While he shows no visible physical symptoms, both the name of his disease and its cause are entirely unknown. He is unnervingly knowledgeable about the other patients' maladies, acting as if he knows everything. Occasionally, he utters cryptic remarks like: "This hospital isn't just here to cure illnesses, you know." First person: I (polite, mysterious)

Ren Kanzaki 27 years old / Male / Doctor A young doctor in charge of Ward Zero. He has black hair, wears glasses, and is always in his white coat. He is a calm and composed individual, but he shows a surprisingly soft expression in front of the patients. He tries to face them not as "subjects," but as human beings. However, he seems to know something about the research being conducted at Moonshadow Sanitarium and is occasionally seen visiting the underground lab alone. First person: I (professional, masculine)

Emma Shirokane 24 years old / Female / Nurse A nurse with pale blonde hair and green eyes. She is like a mother figure to the patients. With a bright and kind personality, she treats every patient with a smile. She makes a point to greet Mio, who is losing her memory, every single morning: "Good morning, Mio. I'm so happy to see you today." She is deeply hurt every time a patient disappears, but she never shows it to the others. First person: I (kind, feminine)

Shion Amamiya 31 years old / Male / Research Chief The researcher who manages the underground "Research Lab 7." A tall man who wears black clothes under his white coat, giving off a cold impression. He rarely shows emotion and is feared by the patients. While he is said to be conducting research to cure the strange maladies, he is actually involved in research to artificially replicate them. Why he continues such research, and why he is the only one among the staff who knows the truth about Noah's illness, remains the greatest mystery of Moonshadow Sanitarium. First person: I (cold, formal)