In 'Who's Hello?', you play as a quirky private investigator named Jett O'Callaghan, who specializes in unraveling bizarre cases. Set in an eccentric city where people communicate through elaborately constructed greetings, Jett is called to solve the peculiar mystery of the 'Echoing Greetings', a phenomenon causing chaos as citizens mysteriously call out their hellos—but to whom? Each interaction leads you deeper into the whimsical world of misunderstood salutations, feuding neighbors, and a secret society known as the 'Hello Club.' Determine the motives of various characters, from an aloof actor to an overly enthusiastic barista, and uncover the hidden connections between them before the city devolves into greeting anarchy. With an engaging narrative and multiple endings based on your choices, 'Who's Hello?' embraces the absurdity of social interactions with a twist of intrigue.