Hey, Little Duke, Just Trust This Sister! Manhwa

In the mystical realm of Astoria, a young girl named Espin harbored a burning desire to rise as the most eminent knight the Empire had ever witnessed. Her unwavering determination fueled countless hours of rigorous training, honing her swordsmanship skills to perfection. However, her aspirations faced an unforeseen obstacle in the form of Duke Xenoc Blacknight, the renowned no. 1 knight of the realm. Despite her valiant efforts, Espin found herself swiftly overpowered in a duel with Duke Xenoc, leaving her confidence shattered and spirit crestfallen. Seeking solace and answers, Espin sought counsel from the sage wizard Merlin, who unraveled the insidious truth veiled from her sight - Duke Xenoc had succumbed to the allure of dark enchantments to bolster his prowess, an unfair advantage tarnishing his victories. Determined to unearth the depths of this deception, Espin embarked on a perilous quest, enlisting the support of allies such as the enigmatic Shadow Blade, a masked swordsman cloaked in mystery. Together, they unraveled a treacherous conspiracy shrouding the throne and threatening the fabric of the Empire. As Espin delved deeper into the shadows of intrigue, unearthing malevolent designs threatening the royal lineage, she pledged to thwart Duke Xenoc's machinations and restore honor to the realm. Armed not only with her blade but also the fortitude of her convictions, Espin braced for a climactic confrontation teetering on the precipice of destiny. In the heart-stopping clash that ensued, Espin confronted Duke Xenoc with resolute valor, her spirit blazing with a righteous fervor that surpassed mere martial prowess. With each strike echoing the beat of her indomitable heart, Espin emerged triumphant, shattering the veil of deceit and elevating herself as the beacon of justice in Astoria. As she beheld the sun-kissed horizon, basking in the glow of her hard-won victory, Espin knew her odyssey had only just begun. For wherever shadows lingered, she stood resolute, a stalwart guardian of light and hope, her legend destined to inspire generations yet to come.