I'm in Love with the Villainess Novel Volume 4 is written by Inori with illustrations by Hanagata.

Rae and Claire may have thwarted the assassination attempt on the pope, but life in the Nur Empire was never going to be easy. Intrigue abounds, from a brewing power struggle between the empress and her daughter, to the ever-present threat of Nur’s demon neighbors, to the growing fires of another revolution. Worse, yet another danger lurks just out of sight, one that threatens not only nations, but the entire world…