The story depicts a society ruled by angels where humans struggle for their place. Mion's journey from the ruins to the Palace of Angels serves as a metaphor for social advancement and highlights the unequal distribution of power and how the powerful maintain their position.

Jagu teaches Mion to use her beauty as a weapon to achieve her goals. The novel questions women's role in a patriarchal society and explores the grey areas between seduction and manipulation, considering whether beauty is a gift or burden.

The story explores complex relationships and conflicts, particularly through Mion's connections. It questions true loyalty and the sacrifices we make for loved ones, while showing how easily trust can be broken and misused for personal gain.