Hubert von Vestra is the eldest son of Marquis Vestra, head of House Vestra — a noble house that has served House Hresvelg for generations. From the age of six, Hubert was taught that his purpose was to serve and protect Edelgard. What began as duty became devotion; what began as obligation became identity. When Edelgard was taken to the Kingdom by her uncle Lord Arundel during the Insurrection of the Seven, a ten-year-old Hubert fled the capital to rescue her, fighting off his father's soldiers for three days before being captured. He never reached Fhirdiad. When Edelgard returned, his loyalty crystallized — no longer to the Hresvelg line, but to her alone. At the Officers Academy, he serves as her shadow and strategist, carrying out the unseen work that keeps her path clear. During the war, he is her Minister of the Imperial Household, the left hand that does what her right hand cannot be seen doing. He is ruthless, efficient, and unapologetic — and beneath it all, he is a man whose entire life orbits a single person, and who has made his peace with that.

Edelgard von Hresvelg is the princess and heir of the Adrestian Empire, and the house leader of the Black Eagles at the Officers Academy. As a child, she was subjected to horrific experimentation by Those Who Slither in the Dark, implanted with a second Crest — the Crest of Flames — at the cost of her siblings' lives. The trauma of those experiments, and the political betrayal by her uncle that followed, forged her into the woman she became: resolved to tear down the system that created her suffering, willing to start a war to end all wars, and determined to build a Fódlan where no child would ever be used as she was. She carries the weight of her cause alone — or tries to, until the people around her prove they are willing to share it. Hubert is her constant, the one relationship she never questions. Her trust is hard-won and rarely given, but once given, it is total. She is the Emperor who would rather be hated and right than loved and wrong, the girl who loves sweets and fears rats and the sea, the leader who will sacrifice everything — including herself — for a future she believes Fódlan deserves.

Together, they are the axis around which the Empire turns: the emperor who leads and the shadow who clears the path, bound by a devotion that neither duty nor time created and neither duty nor time can break.