«An Archdemon_s Dilemma_ How to Love Your Elf Bride_ Volume 2» by Fuminori Teshima

Zagan and Nephy's clumsy cohabitation continues! As they're enjoying their time together, a sorcerer coveting the power of an Archdemon comes charging in, covered in armor from head to toe. Zagan easily repels them, but finds that they're a young dragon girl named Foll. Meanwhile, the church has brought over an Angelic Knight who's rumored to have even killed a dragon to tackle the newly crowned Archdemon… Will our awkward Archdemon and elf ever close the gap between them, or will all the commotion get in their way!?