Tensei Reijou wa Seirei ni Aisarete Saikyou desu......dakedo Futsuu ni Koi Shitai!

Deirdre Abel von Belisario just wants to find love! After dying young in her first life—and worse, dying without a single hint of romance—this former office worker and self-proclaimed otaku has found herself reincarnated as the daughter of a margrave in another world. Determined to make the most of her second chance, she's set on finding love and giving her parents the grandchildren they deserve. Unfortunately for Deirdre, fate has other plans in store. She never meant to catch the eye of her land's Royal Spirits, let alone gain their blessing. And she definitely didn't mean to get pulled into the conflict between spirits and humans. She was just bored! Left with no choice but restore harmony to the empire, her dreams of a peaceful married life seem farther out of reach than ever. This is the story of a "graceful" young lady reluctantly revolutionizing an empire along the rocky road to love!

(Source: J-Novel Club)