Even though I become a side character, I’m being adored by an overprotective duke

After waking up in an otome game as a minor character named Leticia, I found myself engaged to Duke Lionel—a man known for his unflattering appearance. My twin sister, with her terrible attitude, forced this arrangement upon me. At first glance, Lionel seemed to fit the rumors: overweight and unremarkable. But I saw something others didn’t—hidden potential beneath his rough exterior. Determined to help him shine, I took on the challenge of transforming him. Now, despite being just a side character, my days are filled with affection as my once-overlooked fiancé blossoms into someone extraordinary, both in looks and character.