The theme "I am actually a fairy" usually revolves around an originally ordinary protagonist. Through a series of unexpected experiences, the protagonist gradually discovers that he has the qualities or identity of a fairy.
In the beginning, the protagonist may live an ordinary life, facing all kinds of trivial worries and challenges. However, a mysterious event, an ancient ruins, or a sudden dream became a turning point in fate.
As the plot progresses, the protagonist begins to show extraordinary abilities, such as controlling the elements, casting magical spells, possessing immortality, or the ability to see into the past and future. These abilities shock and confuse the protagonist, but also inspire his determination to discover his own secrets.