The Top Student Hides Her Regression summary: After failing another attempt at securing a permanent job, long-term unemployed Kang Dahye finds herself unexpectedly regressed eleven years into the past. Thrilled by the second chance, she determines to turn her life around by acing the college entrance exam, securing early employment at a prestigious university, and investing in stocks and crypto. However, her plans for a focused academic life are continually derailed by the surrounding boys—including Jeong Eunsung, a future idol group main vocalist present during her regression, and Seo Jae-gyeom, her former crush and a chaebol's illegitimate son. Despite her desire to quietly focus solely on studying, she gets tangled in unexpected attention and romance.