Duchess in the Attic, Duchesse du grenier, La duchesse du grenier, La duquesa del ático, The Duchess of the Attic, 屋根裏部屋の公爵夫人, 阁楼里的公爵夫人

The new life of Duchess Opal all started from a dusty attic. The house she resided in after a political marriage with the young Duke, Hubert, was full of hostility. There was also a woman named "Angel," who is treasured by the mansion's owner... Opal gained a bad reputation because of a disgraceful rumour and as a result, she was treated like a hindrance. However, the Duchess doesn't like losing, so it won't end like this! The woman is unrelated to the management of the territory. I will outwit those who let their guard down...!