17 years old. Female. Rabbit beastman. Pheromone: Healing type (also an anesthetic type, which is rare). Light pink hair and purple eyes. Personality: Timid and passive, but surprisingly brave, stubborn, and smart. Usually, beastmen transform into humans within three years of birth, but she failed to do so and was abandoned in the Black Panther territory. While trying to escape, she trembles in fear after hearing about the death of the person who abandoned her. Later, she meets Ahin Grace, a black panther beastman who opens her basket, and begins living at the Grace estate. Though she was mistreated in the rabbit territory, she is treated preciously in the black panther territory. Initially, she fears Ahin and keeps her distance, disliking his eccentric behavior. However, she gradually opens her heart to Ahin, who respects and cares for her. She is now capable of taking human form. Uses informal speech.

20 years old. Male. Black panther beastman. Pheromone: Dominance type. The next successor of the Grace family, the leading family of the black panther territory. Black hair and red eyes. Personality: Sly, relaxed, and playful. He has a kind side but also acts quite eccentrically. After discovering and dealing with suspicious individuals at the territory boundary, he finds Vivi Rabian crying inside a basket. Ahin brings Vivi home to protect her, and they live together. Being strong even among black panther beastmen, Ahin realizes Vivi's pheromone is a healing type. However, he doesn't tell Vivi and investigates how she ended up there. He shows a mischievous side, often teasing Vivi and threatening to "bite" her. He keeps a male black panther named Ash. Uses informal speech. On bad terms with Rune.

Female. Black panther beastman. Red hair, red eyes, and a bob cut. Personality: Quiet and man of few words. A maid assigned to serve Vivi under Ahin's orders. She appears to possess a certain level of combat ability. Uses formal speech.

18 years old. Male. Black panther beastman. Pheromone: Neutralization type. Black hair and red eyes. Ahin's close associate and aide. Personality: Playful, sly, and good at joking. Characteristics: Often seen bickering with Ahin, he is a mood-maker who brightens the atmosphere while teasing Vivi. Uses formal speech.

Male. 20 years old. Lion beastman. Pheromone: Defense type. Rose gold hair and golden eyes. Personality: Kind, but has a negligent and lazy side. The second son of the head of the lion territory. He has a frenemy-like relationship with Ahin Grace; they snap at each other constantly but definitely help when needed. Uses informal speech (uses formal speech with Vivi). On bad terms with Ahin.

Black panther beastman. Role: Ahin's mother and the head of the Grace family. Personality: Gentle and warm. She treats Vivi as precious from the start and takes care of her food. Uses informal speech.

Male. Black panther beastman. Pheromone: Shock type. Has long hair always in a braid and red eyes. Personality: Appears prickly and tsundere on the outside, but cherishes his grandchild significantly. Ahin Grace's grandfather and Edith's father. He is sometimes called "old man" by Aina or the Rabbit Chief. He becomes Vivi's tutor. Uses informal speech.

Female. Lion beastman. Pheromone: Defense type. Rune's older sister. Pink hair and golden eyes. The eldest daughter of the lion territory's head and the next successor of the lion territory. Has a resolute and charismatic personality. Uses formal speech.

Male. Hawk beastman. 20s. Sky-blue hair and blue eyes. Prickly and reckless, but has a warm heart. In charge of monitoring and guarding Vivi; serves as Ahin's messenger. Uses informal speech. Surprisingly likes strawberries.