Whose Hello?

In a world where greetings hold secret meanings, you're a self-proclaimed 'Hello Detective' tasked with solving the curious case of vanishing salutations. Travel through eccentric neighborhoods and meet a cast of quirky characters, each with their unique way of saying hello. Unravel clues embedded in greetings, uncover hidden agendas, and engage in hilarious dialogues. The more you interact, the closer you get to the truth. Can you piece together the mystery of the missing hellos before the clock runs out?