The Dragon King's Imperial Wrath: Falling in Love with the Bookish Princess of the Rat Clan manga volume 3 features story by Aki Shikimi and art by Akiko Kawano.

FINAL VOLUME

When Yuchun and Ruiying are kidnapped by the bird clan, they assume that Yuchan is the dragon king’s chosen bride-to-be and that Ruiying is worthless as a hostage. Meanwhile, Yawen is incensed that his beloved soulmate has been kidnapped. When he transforms into a dragon and loses control, will Ruiying be able to pull him back from the brink?! The fantasy romance between a weak but clever rat princess and the almighty dragon king reaches its climax in this final volume!