[5][6] In her freshman year, a friend of her mother who worked as a talent agent encouraged Lei to film an audition tape, leading to her casting as an advertisement model.

[13] Han Cheung of Taipei Times praised her for doing a "satisfactory job" for a debut;[14] while Jasneet Singh of Collider commended Lei's "emotional performances" that evoke sympathy from the audience as they "witness the ordeal through [her character's] eyes".

[18][19] She was cast three weeks before filming after the original Indonesian actress was unable to travel to Taiwan due to the COVID-19 pandemic, and Lei secured the role by auditioning while wearing a hijab.

[21] Lu Hao-ping of Global Views Monthly described her acting as "perfect", making her "seem like an Indonesian migrant herself";[22] while The Storm Media ranked her performance as the second best among the ensemble cast based on audience responses.

[25] In 2024, Lei made a cameo appearance as a sky lantern saleswoman in the fourth season of the Japanese TV Tokyo series Recommendations for Solo Live Girls [ja], which was filmed in Taiwan.