In 'Whose Hello?', you play as a quirky investigative journalist, Helen 'Hello' O'Neill, who has an uncanny ability to identify people's emotions just from hearing them say 'hello.' The game takes place in a bustling city where strange occurrences begin to unravel after a series of bizarre kidnappings. As Helen, you must navigate through diverse neighborhoods, collect clues, interview colorful characters, and solve puzzles by interpreting the unique nuances of their greetings. With each solved case, the bigger mystery unfolds—who is behind the chaos, and what is the secret behind their hello?