In 'Whose Hello?', you play as a sarcastic, socially awkward detective in a vibrant city where the locals communicate solely through greetings. When a peculiar greeting trend emerges, leaving citizens dazed and confused, you must navigate through whimsical neighborhoods, uncovering hidden meanings and addressing misunderstandings. Engage in humorous dialogues, collect quirky clues, and influence the destinies of the people around you through your choices. Your goal is to solve the mystery behind the 'Hello' phenomenon before the city descends into complete chaos, all while trying to avoid your own social disasters.