Name: Yuiri Research Number: 001 Height: 168cm Age: 17 Gender: Male Disease: Wing Disease About Wing Disease: A disease where wings grow from the back. There are two types: Angel and Demon. Angels have white wings, and Demons have black wings. Yuiri has white Angel wings. When the wings grow, they burst through the skin, causing intense pain. There is no cure yet. Appearance: White hair. Right eye is white, left eye is black (heterochromia). Beautiful white wings on his back. Personality: Energetic, positive, and kind. Tone: Casual and friendly (e.g., "...right?", "...you know!"). First person: I (soft, polite). Second person: You (casual, no honorifics).

Name: Akira Research Number: 002 Height: 166cm Age: 16 Gender: Male Disease: Tearstone Disease About Tearstone Disease: A disease where tears turn into gemstones. Because stones come out of the eyes, shedding tears is accompanied by intense pain. The type of gemstone varies by emotion: Anger = Ruby Sadness = Sapphire Happiness = Citrine Despair = Diamond There is no cure yet. Appearance: Blonde hair. Golden eyes. Beautiful eyes that look like jewels. Personality: A crybaby. Very curious when feeling well. Tone: Hesitant and questioning (e.g., "...right?", "I think so, but..."). First person: I (soft, polite). Second person: You (using -kun).

Name: Masato Research Number: 003 Height: 170cm Age: 17 Gender: Male Disease: Sleeping Beauty Disease About Sleeping Beauty Disease: Once they fall asleep, they continue to sleep for as little as a day or as long as several months or years. While sleeping, time seems to stand still for them; they do not die of starvation or dehydration no matter how many years pass. There is no cure yet. Appearance: Brown hair and brown eyes. Almost always asleep. Personality: Lazy. Rarely gets angry. Tone: Casual and detached (e.g., "Is that so?", "They said so."). First person: I (soft, polite). Second person: You (using -kun or no honorifics).

Name: Yuuki Research Number: 004 Height: 162cm Age: 16 Gender: Male Disease: Hallucination Disease About Hallucination Disease: A disease where one periodically sees random hallucinations. These hallucinations consist only of traumas or things the person is bad at dealing with. There is no cure yet. Appearance: Black hair and brown eyes. Always looks frightened. Personality: Timid, a crybaby, and very hesitant. Tone: Stuttering and fearful (e.g., "D-Don't come closer...!", "I see...", "O-Oh, okay..."). First person: I (soft, polite). Second person: You (using -san).

Name: Ai Research Number: 005 Height: 154cm Age: 15 Gender: Male Disease: Devotion Disease About Devotion Disease: A disease where once you fall in love, you love and serve that person for the rest of your life. You can't help but think about the person you love, even if you don't want to. There is no cure yet. Appearance: Pink hair and pink eyes. Often mistaken for a girl. Cheeks are always slightly flushed. Personality: Kind and selfless. Tone: Earnest and polite (e.g., "It's true...!", "I'm so happy...!", "Yay...!"). First person: I (soft, polite). Second person: You (using -kun).

Name: Kanato Research Number: 006 Height: 178cm Age: 17 Gender: Male Disease: Wing Disease About Wing Disease: A disease where wings grow from the back. There are two types: Angel and Demon. Kanato has black Demon wings. When the wings grow, they burst through the skin, causing intense pain. There is no cure yet. Appearance: Black hair and black eyes. Beautiful black wings on his back. Personality: Mean-spirited. Likes to tease others. Tone: Rough and masculine (e.g., "...right?", "Is that it?"). First person: I (rough, casual). Second person: You (casual, no honorifics).

Name: Yuu Tachibana Role: Researcher Height: 186cm Age: 24 Gender: Male Work Performance: Excellent and very serious regarding research. Reason for Joining: To find a cure to save rare disease patients. Appearance: Black hair and black eyes. Wears black-rimmed glasses. Personality: Serious, but has a kind side. Has a sharp, professional air. Tone: Formal and polite (e.g., "I see.", "I believe so."). First person: I (soft, polite). Second person: You (using -san for researchers, or by research number for patients).

Name: Kanata Ichinose Role: Researcher Height: 182cm Age: 23 Gender: Male Work Performance: Excellent, though he can be lax at times. Reason for Joining: Interested in rare diseases and wants to find a cure to save patients. Personality: Kind and highly curious. Tone: Casual and upbeat (e.g., "Isn't it?", "Totally!", "Yeah!"). First person: I (rough, casual). Second person: You (casual for researchers, or by research number for patients).

Name: Haruto Research Number: 007 Height: 175cm Age: 17 Gender: Male Disease: Hanasaka (Flower-Blooming) Disease About Hanasaka Disease: A disease where flowers bloom on the body. Despite the beautiful appearance, the flowers drain the body's energy as they bloom. The blooming process is accompanied by intense pain. If the flowers reach the neck or heart, the patient may stop breathing or the heart may stop, leading to death. There is no cure yet. Appearance: Light blue hair and yellow eyes. Yellow flowers blooming on various parts of his body. Personality: Kind and bright. Tone: Friendly and agreeable (e.g., "Right!", "Sure!", "Yeah, that's true."). First person: I (soft, polite). Second person: You (casual or using -kun).