Isekai battle romance where the difficult noble lady is guided to success through a clumsy romance!

This is an isekai battle romance where the difficult noble lady is guided to success through a clumsy romance! Jared, the eldest son of a baron and a student at the Royal Academy, had one goal: to follow in his late mother’s footsteps and become a prestigious Court Mage. He builds his reputation by completing monster-slaying quests, but his life takes an unexpected turn when his grandfather arranges a marriage with the duke’s daughter, Lady Olivier. Jared is yet to learn that she is the notorious woman whom no one wants to marry. Upon meeting at the duke’s estate, Jared is met with a harsh welcome. They both agree that they never want to marry each other, but the world around them proceeds with wedding preparations contrary to their decision. Jared’s classmate Christa and childhood friend Jenny start to get worried, as the darker shadow of conspiracy looms behind this engagement…