The theme is youth inspirational and campus writing. There are two male protagonists, the protagonist is the attacker: Shen Qingshu, and the protagonist is the subject: Qi Cheng.
- Shen Qingshu (attack): He is a cool scholar, with a calm and restrained personality, strong logical thinking, and outstanding talents in mathematics and physics. However, he is depressed due to his family environment (parents have a discordant relationship and have too high expectations for him) and is not good at expressing emotions.
- Qi Cheng (Shou): Sunny and cheerful, loves painting, and has artistic talent, but his grades in cultural classes are mediocre, especially in mathematics. He has a tenacious personality and does not give up easily in the face of difficulties. He is the "little sun" in the class.
Core theme: Youth inspiration, a story about two teenagers with completely different personalities and growth trajectories who met in high school, supported each other, grew together, broke through their own limitations, and finally realized their dreams.
Purpose: Cherish the people around you, walk with the light, and live up to your time