Offense And Defense In Daites. Milliana, the daughter of a duke in a remote part of the world, used to enjoy a fujoshi lifestyle in her former life in modern Japan. But living in another world is pretty bad, and on top of that, there's no BL books! Aiming for moe and fun life-including iron production , communication, papermaking and printing techniques-begins a time of technical reformation! The Black Demon General Matisa, however, busts into her life as a groom. Featuring a bride who can openly use modern technology and a husband who reveals her otherworldly cheat-like skills, here's the long-awaited special reincarnation fantasy manga adaptation!