In 'Whose Diary Is It Anyway?', you, as a quirky investigative journalist, stumble upon a mysterious diary left behind at a forgotten coffee shop. Each entry reveals secrets about its various owners, spanning generations. Players must dive into the lives of these characters, making choices that affect the outcomes of their stories, encountering dilemmas, romances, and scandals. Ultimately, players aim to uncover the diary's puzzling origin while navigating the chaotic relationships of its authors, all the while unraveling the interconnected fates of past and present.