Female Lead: Lin Tingwan (enters university at 18)
Identity: The province's top college entrance exam scorer, a seemingly aloof math prodigy
Public persona: Independent, composed, values reason above all, and rejects all social interaction
Secret: She has mild social anxiety and has relied on her grandmother since her parents divorced
Character arc: From shutting herself away → learning to depend on others → becoming someone others can rely on
Male Lead: Jiang Yu (enters university at 19)
Identity: A physics competition student admitted through a special recommendation, captain of the school basketball team, and sole heir to the Jiang Group
Public persona: Sunny and laid-back, an irreverent "spoiled rich kid and academic ace"
Secret: He witnessed his mother's suicide at age 12, suffers from severe insomnia, and puts on a happy front
Character arc: From pretending he's made peace with the past → confronting his trauma → learning to truly live
Important Supporting Characters
Su Qing: Tingwan's roommate, a relationship advice blogger with a cheerful, healing disposition, secretly in love with the basketball team's vice-captain
Chen Che: Jiang Yu's close friend and a senior majoring in psychology, gentle and perceptive, the story's voice of wisdom
Shen Yizhou: A scheming second male lead, a business school prodigy who develops a complicated obsession with Tingwan
Grandmother: A pivotal elder who uses traditional wisdom to protect and guide the younger generation
