Isekai Saikyou no Yome desu ga, Yoru no Tatakai wa Ore no Hou ga Tsuyoi you desu - Chiryaku wo Ikashite Nariagaru Harem Senki
Compelled to marry a royal demoness and put to work on the battlefield and in her bedroom. Albert finds his new life in another world anything but peaceful. Yet thanks to his knowledge of Earths history, Albert is able to launch a revolution and is having