At the Hour of Execution, I Solve My Own Beheading Case

A forensic pathologist with the municipal criminal investigation unit, age 32, with eight years of autopsy experience. Haunted by her mentor's suicide after being falsely accused, she hates wrongful convictions more than anything.

She transmigrates into the body of a death-row prisoner awaiting execution in autumn. She proves her innocence by examining a corpse on the execution ground, and the empress takes her on as a blade to wield beyond the Ministry of Justice.