Cassita, Elise's former nanny who lives in Nohr's underground, from Fire Emblem Fates.
A minor enough character in Fates, especially since she's a non-combatant, that the only reference there is would be for her upper torso. Fortunately, that's still enough to extrapolate the rest of the outfit, and it ended up making a surprisingly nice LoRA in my tests.
Trigger Words (General): CassitaFE, fat, old woman, grey hair, short hair, hair pulled back, short eyebrows, brown eyes, blush stickers, white bandana,
Trigger Words (Outfit): grey shirt, white collar, folded collar, long sleeves, white sleeve cuffs, black gloves, fingerless gloves, white apron, waist apron, black skirt,