In 'Whose Hello?', players step into the shoes of a sharp-tongued private investigator in a bustling metropolis known for its eccentric inhabitants. As the PI, you receive an anonymous message stating that a notorious criminal, known only by the name 'Hello', is poised to execute a grand heist during a glittering charity gala. Your task is to navigate through a web of colorful characters, gather clues, and unravel the mystery of who 'Hello' really is, all while unearthing dark secrets and maintaining your ever-present humor. Your decisions shape the narrative as you confront unpredictable encounters, from a flamboyant art thief to a suspicious event planner. Will you uncover the truth before the clock strikes midnight, or will 'Hello' slip away into the shadows?