Female protagonist, about to turn twenty-five with birthday in April. Has a history of eating disorder similar to Zhou Haoying, requiring regular weigh-ins during undergrad. She initially promised herself only a fling with Shen Qingshi but has grown to depend on him emotionally and can now eat normally again. She is marrying Shen Qingshi and has been pretending to be a couple with Senior Brother (Zhou Haoying) for over a year to ward off suitors and fulfill Aunt Zhou's dying wish. She is described as having blurring boundaries with Zhou Haoying by the end of their arrangement.