Xing Fei accidentally obtained the system to transform into Ultraman Tiga and began his journey as a hero. By helping others accumulate energy, Xing Fei gradually transformed and bravely protected humans in the face of monsters appearing on campus and in the city. His encounter with Professor Liu reveals a deeper connection between energy research and the emergence of monsters. In a series of battles, Xing Fei continued to grow and learned responsibility and persistence. Even in the face of powerful enemies, he never gave up his belief in protecting others.