Mob na no ni Kahogo na Koushaku ni Dekiaisareteimasu summary: After reincarnating as Leticia, a minor extra in an otome game, the “new” Leticia unexpectedly inherits her twin sister’s engagement to Lionel, a rumored chubby and awkward duke-to-be. But Leticia sees the potential beneath his rough edges and takes it upon herself to help him grow. As Lionel transforms into a refined and handsome noble, his feelings for her deepen rapidly. Though she only wanted a peaceful life as an extra, Leticia suddenly finds herself at the center of an intense, ever-growing devotion from her now-irresistible fiancé. **Original Webtoon:** [Booklista](https://studio.booklista.co.jp/series/7f43bd08e1bd0/), [Comico](https://www.comico.jp/comic/9111), [LINE](https://manga.line.me/product/periodic?id=S122196), [eBookJapan](https://ebookjapan.yahoo.co.jp/stories/122196/) **Official Translations:** [English](https://www.webtoons.com/en/romance/how-is-this-hot-duke-just-a-background-character/list?title_no=9286), [Korean](https://page.kakao.com/content/66635523), [T.Chinese](https://www.webtoons.com/zh-hant/romance/how-is-this-hot-duke-just-a-background-character/list?title_no=8078), [French](https://www.webtoons.com/fr/romance/how-is-this-hot-duke-just-a-background-character/list?title_no=9335)