The female protagonist, a 3-4 year old adorable little girl who is actually a koi fish from the Heavenly Pond. She has large round eyes, chubby cheeks with little dimples, long curled eyelashes, and produces golden tears. She was once the most beautiful little koi in the Heavenly Pond, raised by Immortal Mo (Yu Mozhi's former self) who affectionately called her Little One and coaxed her to call him Daddy. After a disaster struck the Heavenly Pond, she starved and begged Jade Grandpa to bring her to the human world to find him. She was previously abused by her adoptive father Yu Jingxing, as evidenced by old bruises on her body. She is well-behaved, obedient, and deeply devoted to Daddy.
