It opens with a schoolgirl who just wants a quiet life and then drops a Thanatos into her classroom, and the show never really lets Angelique off the hook after that. The hook isn't that she's the chosen one, it's that she watches her own classmates fall while Nyx and Rayne lose the fight in front of her, and saying yes stops being flattering and starts being a debt. Being the only female Purifier means the burden is structural, not special, and the series keeps circling back to what purification costs the person doing it. Then it pivots into banter and blushing and the boys crowding her, and that tonal whiplash between monster dread and reverse harem comedy is the whole texture of the thing. Thirteen episodes is lean enough that the sweetness never fully cancels the ache underneath. If you came for pretty men and stayed for a girl deciding she'd rather be useful than safe, this one knew exactly what it was doing.

Angelique lives a peaceful life at her school while attacks by the monstrous Thanatos grow more frequent across the land. One day two Purifiers, men who can destroy the Thanatos, appear and tell her she has the power to become the only female Purifier. One of them, Nyx, urges her to join their work. While she hesitates, a Thanatos strikes her school, and Nyx and his fellow Purifier Rayne are overwhelmed as her classmates fall victim. Her wish to save everyone awakens her power, and she becomes the only female Purifier in Arcadia, known as the "Queen's Egg." The result is a fantasy series that mixes comedy and romance.