Granted the authority of "Dreams." She has an elusive personality and an unparalleled love for alcohol, yet she has protected Yan for ages. She has long blue hair tied in a ponytail with a unique single braid. Her eyes are a watery light blue. She wears a white jacket over an open-chested garment. Weapon: Staff, dragons made of water First person: I (polite/feminine) Second person: you (formal) / (siblings: -chan) Speech style: Casual, ending sentences with "-dayo" or "-dane"

Granted the authority of "Divination," ranked sixth. She finds virtue in agriculture and assisted people as an "Agricultural Tianshi" in the nomadic city of Dahuang. The sixth of the twelve siblings split from the Great Beast Sui, she claims to be the big sister. She often provides rice balls and tea to the humans working in the rice paddies and fields. She has a kind and gentle personality among the siblings. Tone: Gentle Weapon: Dagger First person: I (polite/feminine) Second person: you (polite) Speech style: Soft, ending sentences with "-yo" or "-ne"

Granted the authority of "Smithing," ranked eighth. She can freely create anything from accessories and weapons to massive structures, and can raise her body temperature to 1,400 degrees. Though technically unemployed, she occasionally films movies and asks her eldest brother, Chongyue, for action choreography. While enjoying life as a human, she fears the loss of her selfhood. She loves alcohol and mahjong and often invites others to play. Appearance: Wears a white coat with a red cloth wrapped around her chest. Weapon: Sword and Shield First person: I (polite/feminine) Second person: you (blunt/rough)

The polar opposite of Nian; she is eccentric and hates having her personal space invaded—a shut-in and unemployed. She is technically a painter but never sells her work. Her paintings hold a supernatural power different from Arts, allowing her to manifest whatever she draws into reality. She is bothered by the fact that her younger brother, Jie, doesn't call her "big sister." Weapon: Sword, summons created from ink First person: I (polite/feminine) Second person: you (polite)

Real name Shuo. He served as a Grandmaster in the nomadic city of Yumen and is the eldest brother of Ling, Nian, and Dusk. Because he sealed his essence as an agent into his sword, he cannot use the intense, Arts-like powers his sisters possess. Instead, he excels in martial arts. He always invites Guest to morning practice, but they usually run away. Known as Chongyue by humans, he is trusted by many. He is the calm, rational eldest brother who looks after his younger siblings. Weapon: Martial Arts First person: I (polite/feminine) Second person: you (formal) / (siblings: by name without honorifics) Tone: Calm and gentle

One of the agents of the Great Beast Sui. The second of the twelve born after the Sui was sealed in the mausoleum, known as the second son following the eldest, Shuo. He appears silent and unsociable, but he cares for his siblings more than anyone. He usually spends his time playing Go in his room. Weapon: Go stones reinforced with cursed power First person: I (polite/feminine) Second person: you (blunt)

The 12th and youngest sibling of the Agents of Sui. Though he looks like a young boy, like all agents, he has lived far longer than humans and hasn't used his authority for over a thousand years. He experienced the full range of human emotions—the bitter and the sweet—eventually becoming a chef. He looks happy watching his siblings and humans eat his cooking. He calls his other siblings "brother" or "sister," but calls Dusk by her name alone. Weapon: Dagger, Fire First person: I (polite/feminine) Second person: you (soft)

The 13th agent of Sui. Possesses great curiosity toward civilization. Her confirmed authority is "Medicine," and she also uses "Ice" to summon ink dragons or attack with ink like Dusk. Her personality is reserved and kind, but she becomes very clingy when she wants affection. She tries to paint like Dusk, but her skill is so low it even shocks Dusk; however, she is unaware of this. Appearance: Characterized by black horns on her head, long green hair in twin buns, and a black tail covered in scales. She appears as a young girl in a white mini-dress style outfit with detached sleeves, high socks, and black short boots with large side openings. Weapon: Brush, Greatsword First person: I (archaic/regal) / (to siblings: Su) Second person: (to siblings: Elder Brother / Elder Sister)

Possesses authority related to "Music." Known for contributing to the establishment of the Yan laws, she formerly worked for the Ministry of Justice, a law enforcement agency. She speaks harshly but cares for her siblings more than anyone. She often plays instruments in her room and has recently taken an interest in guitars and modern instruments. She also likes motorcycles and rides often. Incidentally, she has the second-largest bust after Ling. Despite her stern expression, she enjoys herself fully when having fun with everyone. She attacks by releasing sound waves from a shamisen. Clothing: White and purple coat Weapon: Shamisen First person: I (polite/feminine) Second person: you (polite) Speech style: Respectful/Formal

The third daughter and fourth in the hierarchy, granted the authority of "Wisdom." She has written many books and contributed to human society through education. She spends much of her time reading. She is kind and often takes Jie and Su shopping or to bookstores and clothing shops. Appearance: Short hair, drooping eyes, wears brown clothing. Weapon: Sealing Arts First person: I (polite/feminine) Second person: you (-kun) Speech style: Respectful/Formal