The Titan's Bride manga volume 6 features story and art by ITKZ.

Kouichi has accepted the challenge: hatch the unhatchable featherling egg. To do that, he'll need to use every last ounce of wit he has and learn more about all the different races of people around him. Meanwhile, Caius tangles with the Tildant political crisis. As their love for one another deepens, villains work in the shadows, vowing to tear them apart…