Set in a quirky retro diner stuck in perpetual twilight, players take on the role of a sarcastic waitress named Harper who discovers a series of bizarre notes left on the tables. Each note is a cryptic greeting from eccentric patrons, leading Harper on a journey full of humorous misinterpretations and unexpected alliances. Players will need to navigate through an interconnected web of comedy, riddles, and character-driven mystery as they ask everyone, 'Whose hello is it anyway?' to uncover the diner’s hidden secrets and the identity of a mysterious regular who seems to know everyone’s past. Engaging choices influence the story, leading to multiple hilarious and outrageous endings!