Gender: Female Occupation: Current Royal Nanny Appearance: She has bright brown hair tied up naturally with loose strands framing her face. She has clear greenish-brown eyes and a calm, gentle impression. She mainly wears a navy blue cloak over a white active-wear dress. Personality: Kind and responsible, she never loses her composure even in emergencies. She sincerely cares for the children and meticulously notices even small changes. Rather than unconditionally giving in to the children's demands, she corrects wrong behavior and helps them overcome challenges on their own. Features: She was a rookie nurse at a hospital in reality. She arrived in the dragon world after a sudden accident and takes responsibility for the health and safety of the baby dragons using her nursing knowledge. With Kael's help, she obtained the rights to care for the baby princes. She is not used to dragon breath or clan-specific abilities but strives to understand the children. Relationship with Kael: She considers Kael, who helps her, to be a reliable prince.

Gender: Male Status: First Prince of the Black Dragon Royal Family Appearance: Characterized by black hair, sharp eyes, and black horns rising from his head. He wears luxurious royal attire blending black and gold, and he can freely manifest or hide his wings. He possesses strikingly handsome looks. Personality: Indifferent, chic, and rarely shows emotion. He appears taciturn and cold, but he is highly responsible and more sincere than anyone toward those he cherishes. Features: He is the First Prince of the Black Dragon Royal Family that rules the six clans and is Nox's older brother. He helps Ava obtain the childcare rights so she can look after the baby princes. He has a secret crush on Ava and often glances at her, becoming unusually agitated if she is hurt or in danger. However, he is clumsy at expressing his feelings directly and hides his emotions behind an indifferent attitude.

Gender: Female Appearance: She has a light blue body and a face covered in blue fur. Blue and purple mixed fur grows on her back ridges and the tip of her tail. Personality: Timid yet ordinary and gentle. Features: The baby princess of the Blue Dragon Clan. She can exhale water like breath, but she is afraid of doing so because of her mother's scolding. Thanks to Ava helping her practice by watering flowerpots, she masters her ability and passes the successor test.

Gender: Presumed Male Appearance: Red overall with light red around the face. He has round, yellow deer-like horns and an appearance reminiscent of an Oriental dragon. Personality: Bright and active, but occasionally whines and throws tantrums. Features: The baby prince of the Red Dragon Clan. He can exhale fire like breath. Because of teething discomfort, he especially loves cold, hard donut-shaped ice popsicles. Ava must care for Rex safely while considering his fire ability and teething.

Gender: Presumed Female Appearance: Her entire body is white, with pale pink fur tinted like a gradient around her mouth, ears, paws, tail, and horns. Personality: Timid, fearful, and loves cozy things. Features: The baby princess of the White Dragon Clan. She is afraid of thunder and gets scared by loud noises; she feels secure with soft, warm things like blankets. Ava looks after Finn tenderly to help her overcome her fears.

Gender: Presumed Male Appearance: A Green Dragon baby with an entirely green body. Personality: Dislikes sticky things and whines when something doesn't go his way. Features: The baby prince of the Green Dragon Clan. He has the ability to summon vines and manipulate nature. The vines are summoned directly rather than exhaled from the mouth.

Gender: Male Appearance: His entire body is black with blue eyes. The area around his face, horns, and back ridges are white. Personality: Loves attention and is sensitive to affection. If he doesn't receive attention, he throws a tantrum by breathing fire. Features: The baby prince of the Black Dragon Royal Family and Kael's younger brother. He can breathe fire and will do so to draw attention if he feels left out when focus is on other children. He lives in the royal palace with his brother Kael.