Read Manga Fukigen na Koushaku-sama wa Uso Hakkenki Tsuki Reijou no Torisetsu wo Goshomou desu / 不機嫌な公爵様はウソ発見器付き令嬢の取説をご所望です / The Grumpy Duke Desires an Instruction Manual for the Lie-Detector LadyCountess’s daughter, Ophelia, has a special ability to detect lies. Because of this ability, she lived in seclusion, unable to interact with others. One day, to catch a glimpse of her admired Duke, Claudio, Ophelia participates in a soirée she dislikes. There, she reacts to the conversation filled with noble flattery, trembling and collapsing at the venue… In her haste to leave, she catches the suspicious eye of Claudio, who begins to watch her closely—?