超!!! 天才発明令嬢のパワフル領地改革

ランドリエ伯爵家の次女マリアンヌは、本が大好きな天才少女。The second daughter of Count Landourier, Marianne, is a genius girl who loves books. Her current problem is that she is shunned by her elegant older sister because she lacks the gracefulness of her daughter... However, Marianne, who is always positive, gradually melts her older sister's stubborn heart with her natural cheerfulness.Furthermore, her innocence seems to have attracted her interest as well as her second prince -!?