Alarian Nexus
Alarian Nexus is the world in which the popular Novel/Manga/Anime/Dating Sim *Engaged for the 4th Time Because My Fiancés Keep Falling in Love with Otherworldly Heroines!* is set. The original story is a romantic comedy in which a woman who has been the villainess of a fictional series (A series that exists in the novel, like one of those nesting dolls). In every book prior to her own, she's been engaged to the male lead, only for him to leave her for some girl who doesn't seem to know proper social etiquette while complaining about the lack of WacDonalds in the kingdom.
The story is a low-stakes romance contrasted against the setting of political back-stabbing, mistaken identities, social traps, monsters and magic.