* **Female lead: Lin Xingwan**
* Age: 18 when she starts her freshman year, 22 when she graduates.
* Personality: Energetic and spirited, a little absent-minded but dependable when it matters. Kind, sincere, optimistic, and resilient. A bit timid, but brave when it comes to the people and things she cares about. A “rare species” in the physics department (or another STEM field, for a touch of contrast).
* Talents: Has a good artistic streak, such as drawing or photography. Works hard at her studies but isn’t a top student. Gets along well with people.
* Appearance: Sweet and pretty rather than stunningly beautiful. Her smile is infectious, her skin is fair, and her eyes sparkle.
* **Male lead: Shen Yuheng**
* Age: One or two years older than the female lead, an upperclassman.
* Personality: A seemingly aloof academic genius in computer science, finance, math, or another field. Rational, meticulous, taciturn, and commanding. In reality, he’s sensitive and possessive (but only toward the female lead), fiercely protective, and responsible. A little clueless when it comes to feelings, but an exceptionally quick learner when it comes to romance.
* Talents: A sky-high IQ and a champion in academic competitions. He may also be athletic, perhaps good at basketball or swimming.
* Appearance: Strikingly handsome, tall and long-legged, with an aloof, refined air. The campus’s widely recognized heartthrob.
* **How they meet:** They seem to belong to different worlds, a science genius and a hardworking nobody or artistic girl, but an accident or coincidence brings them together.
