Anastacius is the older brother of Claude de Alger Obelia and originally the official crown prince.


~! He is [Jennette Margarita's](https://anilist.co/character/143630/Jennette-Margarita) biological father. !~

The story of Athanasia, forsaken princess of the Obelian Empire, ends with her execution at the hands of her own father—or does it? Her tragic tale is the plot of the novel The Lovely Princess. But now, a modern woman who read the book has just woken up as baby Athanasia herself, filled with her own memories and knowledge of the story she’s stuck in! Determined to survive her doomed fate, infant Athanasia embarks on this new life with a plan: avoid attention and hoard valuables to fund her escape. When her plan goes awry, she suddenly needs to charm her way into the good graces of her father, the beautiful tyrant emperor, so he doesn’t kill her again!
 
(Source: Seven Seas Entertainment) 
Note: Includes 10 extra chapters.

Athanasia de Alger Obelia, the only legitimate princess of the Obelian Empire, awakens memories of a previous life; from these, she sees a future where she dies at the hands of her father, Emperor Claude. While his gaze is full of affection for Athanasia's older sister, Jennette Margarita, he only regards Athanasia with indifference and leaves her desperately yearning for his love.
 
To avert the fate that awaits her, the infant Athanasia resolves to escape the palace when she is older and, in the meantime, avoid meeting her father at all costs. However, their paths cross years before it was destined, and so young Athanasia finds herself at the mercy of Claude's seemingly mercurial whims. But the one emotion that she expects, apathy, is never present on his face. With a father who now considers her family, Athanasia strives to grow into a proper crown princess—but her grim vision may yet have ways to become true.
 
(Source: MAL Rewrite)

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Anastacius de Alger Obelia