I’ll Never Set Foot in That House Again! (Manga) Volume 2 by Milli-gram

Chelsea is settling into her new life at the Royal Research Institute—spending her days eating delicious food, meeting wonderful people, and creating never-before-seen seeds with her Skill. But Margaret, Chelsea’s twin, refuses to believe her good-for-nothing older sister is now thriving.

As their paths cross, Margaret’s anger erupts! Confronting Margaret and her parents once and for all, Chelsea tells them, “I’ll never set foot in that house again!”