Manga by author 67floors - Status ongoing

Libelle Ibella, a viscount's daughter, works undercover as a reporter to repay her father's gambling debt. ??While covering a story, she accidentally discovers her fianc's love affair. Devastated and heartbroken, she drunkenly proposes to Systain von Diranta, a stranger at a bar. ??To her surprise, she wakes up with a marriage approval letter signed by the grand duke himself. ??Overnight, Libelle finds herself thrust into the role of grand duchess, struggling to balance her new duties with her secret life as a reporter. ??And little does Systain know that she's the reporter behind a scandalous article questioning his manhood...+