Accomplishments of the Duke's Daughter Novel Volume 7 is written by Reia with illustrations by Haduki Futaba.

A noble’s daughter is expected to marry for political reasons, and Merellis is no exception. Her father orders her to abandon the sword and arranges a marriage with the prime minister’s eldest son. Merellis knows there’s only so much she can do with her blade, so she begins to wonder how else she can protect those dearest to her. She steels herself and goes to meet her new fiancé…and is shocked at who shows up! Can Merellis use her natural fighting instincts to survive on the battlefield of high society?