I’m a Noble on the Brink of Ruin, So I Might as Well Try Mastering Magic

Synopsis (en anglais)

While innocently enjoying himself after work, one man’s life changes forever. He wakes in the body of Liam Hamilton, the youngest son of a noble house on the brink of collapse. Amid the chaos, Liam realizes he finally has time to learn and practice magic. Once he begins, it takes his life for an even bigger turn. Can Liam master magic and save his noble family? The aristocratic fantasy begins! (Source: Crunchyroll)