The Archduke's Magical Business Partner

Waking up in a novel is bad enough, but being the villainess Daphne Peregrine is even worse! Knowing the doomed character's fate, Daphne starts mending her strained relationship with her family, hoping they'll let her move to a peaceful land. Since she'll need money, Daphne asks the enigmatic Archduke Luciel Gresbel to go into the antidote-making...