In a world where greetings have become sentient, you play as a quirky detective navigating a bustling metropolis where each hellos and goodbyes are manifestations of personalities, fears, and quirks from those who utter them. As you investigate a series of inexplicable phenomena—voices in the crowd calling out confusing hellos—you're thrown into a web of double entendres, mistaken identities, and outlandish social faux pas. Your choices determine the outcomes of unique interactions, leading to absurd conclusions about the true nature of greetings while attempting to solve the case of the vanishing greetings before they take over the city. Will you be able to unravel the mystery and restore normalcy to conversational exchanges, or will you be left with a plethora of the wrong hellos?