Sang Yan's former high school classmate who initially drove him away after a mutual crush. After six years, she avoids him but ends up sharing a roof. Her unresolved family trauma triggers severe sleepwalking episodes that repeatedly draw her into his room, forcing them to confront their past and evolve their relationship.
The central romantic bond driving the narrative, evolving from unspoken childhood affection to committed partnership despite external pressures and internal guilt.
A steadfast friendship characterized by emotional vulnerability, confidential sharing, and active support during crises.
A socially complex interaction marked by initial romantic overtures and subsequent boundary-setting, resulting in a respectful but distant rapport.
A minor antagonistic interaction characterized by disruptive behavior that temporarily strains the protagonist's romantic moment.
Explore the full interactive character relationship map of The First Frost