Hyougetsu 
Der Werwolf: The Annals of Veight -Origins- Volume 5 [EPUB ebook] 

Thanks to Viceroy Airia’s help, the Weremage Veight manages to create an official alliance between Ryunheit and the demon army. One step closer to realizing his dream of human-demon cooperation, he prepares to bolster the Demon City of Ryunheit when a Hero is sighted in the north! He and Gomoviroa go to investigate, but will everything go as planned?