A protagonist with aristocratic authority in Fantasy/Isekai (PART 2)

The protagonist is in a position of aristocratic authority in Fantasy/Isekai. Includes Aristocracy/Nobility, Villainess/Villain, Duke/Duchess. The protagonist may also attain aristocratic authority (influence, political power) later in the story.

Note: this list excludes protagonists that are Royalty or Imperial Family (Prince, Princess, etc), and stories that are "Book World" or "Game World". Child protagonists will also be excluded (refer to PART 1).

(PART 1) here

Additional (currently no MyAnimeList page):
-(Japanese Webtoon/2021) Nullitas: Itsuwari no Hanayome / Nullitas: The Counterfeit Bride (Illegitimate Daughter of Count, Wife of Duke) 161/
-(Japanese Webtoon/2023) Noroware Reijou wa Seinaru Koushaku to Hangyaku suru / The Rebellion of the Cursed Lady
-(Manhwa/2020) Countess and the Blade
-(Manhwa/2021) New Suitor for the Abandoned Wife / Abandoned Wife Has A New Husband
-(Manhwa/2022) My Father, the Possessive Demi-God
-(Manhwa/2023) A Mouse Biting a Dragon's Tail (Daughter of Count)
-(Manhwa/2023) It Was Just a Contractual Marriage (rate:8) 32/
-(Manhwa/2023) The House of Diana's Choice / Who Do You Like More, Mom or Dad 27/??
-(Manga/2022) Isekai ni Shoukansareta (Nise) Seijo no Watashi wa, Ouji-sama to Kekkon Dekinai to Shinu Unmei no you desu / I'm a (Fake) Saint Who Was Summoned to Another World, But Apparently I'm Fated to Die If I Don't Marry the Prince
-(Manga/2024) Koushaku Reijou Lydia no Utsukushiki Ken / After the betrayal I will be the one to break the engagement
-(Manga/2024) Kyou de anata o wasuremasu. Dakara douzo oshiawaseni / Starting today, I will forget you, so I wish you happiness.

Additional:
51- Dannasama ga Chicchai Mofumofu ni Narimashita (Daughter of Baron,Wife of Duke)
52-
A 'Part 3' will be created if this list goes up to 60.
source : stack