Child protagonist with aristocratic authority in fantasy/isekai (PART 2)

The story has a child protagonist (or starts off as a child protagonist for a significant portion) in a position of aristocratic authority in fantasy/isekai. The child protagonist may also attain aristocratic authority (influence, political power) later in the story. Includes Aristocracy/Nobility, Villainess/Villain, Duke/Duchess, Age Progression, Time Progression, Passage of Time.

Note: this list excludes protagonists that are Royalty or Imperial Family (Prince, Princess, etc).

(PART 1) here

Additional (currently no MyAnimeList page):
-(Japanese Webtoon/2024) Finrantsuka no Osanai Ryoushu / The Young Lord of House Finlanz (Daughter of Margrave)
-(Japanese Webtoon/2024) Osanai Akujo wa Subete wo Mitousu / The Young Villainess Sees Through it All (Duchess)
-(Manhwa/2022) My Father, the Possessive Demi-God
-(Manhwa/2024) Daughter-In-Law to the Mad Dog of Honor / I Became the Daughter-in-Law of the Righteous Mad Dog (Daughter-in-law of Duke)
-(Manhwa/2024) I Simply Cared For My Frail Dad / I Was Just Taking Care of My Sick Father
-(Manhwa/2024) I'm a Martial Arts Supporting Character, Can You Raise Me? / I’m a Side Character in a Martial Arts Novel. Will You Raise Me?
-(Manhwa/2025) A Lady Destined to Die Instantly Will Be Pampered by a Cold-Hearted Butler in This Life
-(Manhwa/2025) The Extra Decided to Be Fake / I Chose to Be a Fake Extra
source : stack