"Shinde Miro" to Iwareta no de Shinimashita

After being treated coldly by her husband, Nathalie, a former countess, committed suicide after her husband, Julius, encouraged her to die. Before she knew it, she finds herself back in time to more than ten years ago, when she was still happy. She lost her parents to disease and war, and was married off to Julius, the jet-black knight who saved her country... she doesn't want to live that life anymore! But every...