Metamorphosis. Worlds of Fire

Asira is a member of a high-ranking family of Alchemists who control libraries that store magical texts. When she becomes the apprentice of an unconventional gargoyle shifter Alchemist, she doubts he was the right choice for her final class. Jaydon is from a gargoyle shifter group known as the Gigun. As a powerful teacher of transmutation, he could have his pick of mentees. He only accepts Asira after his pet bird and advisor recommends that he choose her. When Asira becomes the target of a classmate's deception, she turns to Jaydon for guidance.
With Jaydon's assistance and (something) knowledge, they uncover a conspiracy that threatens the well-regulated order of the Floating World. As their feelings for each other intensify, Jaydon must make a life-altering decision which will bind them together. or permanently force them apart.