[Marianne Series 1] Formerly titled 'My Little Sister is Usually the Villain' * The title has been changed from 'My Little Sister is Usually the Villain' due to the comic adaptation. ◆ My mother, who came from a poor baronial family with many children, married into a wealthy earl's family as a second wife. I am her daughter. I am disliked by my elegant noble lady sister and my mother. In a typical noble lady story, I would end up in a terrible situation, but life is only once. The one who enjoys life wins. Genius Marianne, with the support of those around her, actively works to save orphans, reform the territory, and invent vehicles, using her outstanding intellect for the benefit of many people. She is loved and admired by everyone, and even the gentle second prince takes an interest in her. This is a story about a genius girl who carves out her own life with talent and action, and illuminates the lives of those around her. ◆ Currently serialized on FireCROSS. © Syuu All Rights Reserved. Reproduction and translation are prohibited.