Akuyaku Reijou no Yakuwari wa Oemashita

Lefina was reborn in another world as a villainess in exchange for God saving her sister’s life. Having successfully played the role of a despised duchess and arranged the engagement between the heroine and the Crown Prince, she resigns from noble life and becomes a castle maid. She looks forward to a relaxed existence where she can enjoy Japanese-style food, using her ability to learn anything after a single glance. As she settles into her new life as a commoner, her reputation begins to shift.