I Shall Survive Using Potions! Novel Volume 6 was written by FUNA and illustrated by Sukima.

The Kingdom of Balmore is in trouble. Kaoru goes back to learn more, but she gets dragged into a succession conflict between the princes of Brancott. As the Angel of the Goddess, Kaoru wanted to avoid getting involved in human conflicts, but it's also her duty as the Angel to straighten out Brancott for falsely representing the Goddess's will. She goes to take control of the situation with her potion cheat powers, but a figure lurking behind the chaos is ready to face her...