Among the baby spot-billed ducks following in a line behind the mother spot-billed duck, the one clumsy duckling that trips and falls behind—that was me in my past life, and in this life I am called a clumsy lady.

During her duckling days, Lizerithine lagged behind by one chick from the group of older siblings following their mother duck, and even after reincarnating as a human, she remained just as clumsy as she was during her duckling days. While her parents doted only on her twin sister, and her sister and those around her bullied the slow Lizerithine, she decides to leave home——.