Their Bright Ascendency

It consists of Rivera's debut novel The Tiger's Daughter (2017), The Phoenix Empress (2018), and The Warrior Moon (2019).

The story takes place in a secondary world inspired by historical East and Central Asian cultures.

The series is concerned with the adventures of, and the romantic relationship between, two young warrior noblewomen: Shizuka, the heir to the Hokkaran Empire, and Shefali, daughter of the ruler of the Qorin steppe nomads.

[1] In a starred review of The Tiger's Daughter, Publishers Weekly praised "Rivera's immense imagination and finely detailed worldbuilding".

[2] In Tor.com, Liz Bourke highlighted the book's focus on female characters, describing it as "an epic fantasy romance between god-like heroes, and both of them are women.