In 'Whose Hello?', you step into the shoes of Echo, an intrepid yet somewhat hapless detective, exploring an enigmatic city where people communicate through cryptic greetings. Each greeting is a puzzle that reveals secrets about the individual—and sometimes, the city itself. As you unravel the reasons behind mysterious disappearances and peculiar happenings, the deeper you dig, the more you realize that each person's 'hello' may be a code for something darker. Engage in conversations, gather clues, and uncover an interwoven narrative that challenges not just your detective skills but your perception of connection and isolation in a technologically obsessed world.