Buchigireta Koushaku Reijou, Ikioi de Akuma wo Shoukan shite Shimau

The Handsome Demon’s Contract—Where Will It Lead!?” Aileen, the duke’s daughter, had devoted herself wholeheartedly to her fiancé, Prince Parker, the kingdom’s third prince. But when Parker set off on a study-abroad exchange program and shamelessly brought along his mistress, Aileen’s fury reached its limit! In a fit of rage, she ended up summoning a demon—and the one who appeared before her was a breathtakingly handsome devil with features like a finely carved statue. This fateful encounter with the charming demon sets in motion a dramatic change in Aileen’s life as a so-called “disappointing noble lady”…! https://www.cmoa.jp/title/358911/