The two leads absolutely dominate the narrative. Ines, the female lead, starts off as this jaded noblewoman who's been through seven lifetimes of failed marriages and is just utterly done with the whole concept. Her cynicism is a front for deep exhaustion, and watching that armor crack over time is the core of the story. Carcel, the male lead, is fascinating because he's initially set up as this archetypal possessive, obsessive duke—a classic archetype in these regression novels. But the twist is his genuine, almost bewildered devotion. He's obsessed, yes, but it's less about control and more about a desperate, clumsy love he doesn't know how to express healthily.
The secondary characters really serve to refract light off the main duo. Ines's family, particularly her father, embody the cold political machinery she's rebelling against. The various antagonists and past-life husbands highlight the repetitive tragedy she's trying to escape. I found the most interesting side character was actually Ines from her own past lives—those fragmented memories of her former selves act almost like a Greek chorus, whispering warnings and deepening her trauma. They aren't separate people, but they function as key emotional landmarks in her internal world.
The dynamic isn't really a love triangle; it's more like a love duel. The central conflict is Ines fighting against the narrative itself, against the tropes that have trapped her, with Carcel as both her jailer and her unlikely liberator. Their character arcs are so tightly braided that discussing one inherently involves the other. The magic of the story is how the author uses these two very specific, almost extreme character types to deconstruct the whole 'possessive male lead' genre from the inside out, leaving you to wonder who is really breaking whose ring in the end.