Flowers Bloom in the Apocalypse

Two miserable children, who were treated as civet cats since childhood and became princes, grew up in a high-society family and became the best partners by chance, each taking on their own world. I thought they were half-siblings, but they turned out to be born into feuding families with no blood relationship... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.