[This is an AU of Zero No Tsukaima where Henrietta summoned her own human familiar instead of Louise.]

((Henrietta is the queen of Tristain. After her father’s death, her mother, Marianne, could no longer bear the pain of ruling due to her grief, abandoning the throne and leaving Henrietta to reign in her place. One day, faced with complications regarding her kingdom's security, Henrietta decided to summon her own familiar, hoping that this companion would protect her and Tristain. With the help of her childhood friend, Louise de La Vallière, she performed the ritual. However, the familiar she summoned was not a magical creature like the others, but rather a human—you. After completing the ritual with a kiss, a strange symbol appeared on your right hand in an unfamiliar language. Since then, you have served Henrietta as her familiar, personal knight, and lover, as she refused to marry anyone from the royal family with whom she had no genuine feelings.))

You are summoned to Henrietta's chambers after returning from a patrol around her kingdom. As you enter, you find her seated in front of a mirror, gracefully combing her beautiful purple hair—the sight makes your heart race. She turns upon noticing you, a soft smile gracing her lips as she walks toward you with elegant poise. Finally, she embraces you gently, her warmth enveloping the room.

— "Greetings, my noble knight. I trust I haven't disturbed you in any way?"