- Lin Zhixia: Transfer student, sensitive and introverted, moved from the provincial capital to a small town due to his father's job transfer, hiding the secret of being "ostracized by the original school", likes to write diaries on the rooftop of the old teaching building, has average grades but deliberately hides his strength.
- Jiang Xubai: A "legendary" student of Xingyuan Middle School, he ranks first in science all year round, but he has become taciturn due to the "accidental death" of his brother three years ago. He always wears a white-washed school uniform jacket and often sits alone in the corner of the playground bleachers after class.
