In 'Whose Hello?', players assume the role of a quirky private investigator in a bustling city where communication has taken on a bizarre twist. Every time someone says 'hello,' they inadvertently emit a unique magical sound that can alter emotions and even influence events around them. The player must unravel a series of peculiar occurrences caused by seemingly innocent greetings leading to chaotic misunderstandings, stolen fortunes, and heartwarming revelations. Gather clues from eccentric characters, solve riddles, and trace the source of a powerful sound that has gone rogue. As players dive deeper into the mystery, they'll encounter unexpected friendships, comical situations, and the oddest forms of greetings imaginable!