In 'Hello, Who?', players assume the role of an eccentric private detective in a quirky, modern city. Your task is to solve a series of bizarre and convoluted cases that all unexpectedly intertwine, revealing secrets about the city and its inhabitants. Each case presents a unique dilemma, where players must choose from multiple paths to gather clues, interact with colorful characters, and piece together an intricate conspiracy. The game's narrative is rich with humor, dark twists, and unexpected revelations, all while maintaining a lighthearted charm.