Malice-Induced Weakness

Elianne, the eldest daughter of the Lautrec Viscount family, was neglected by her parents and continuously had her dresses and accessories stolen by her younger sister Deborah. Recently, it seems Deborah has become "sickly," and her selfishness has accelerated. Elianne thought her fiancé Stefan might also be taken from her, but the situation takes an unexpected turn...? Also published on Kakuyomu and Alphapoolis.