In a bustling city where a peculiar greeting phenomenon has started to take place, people are receiving random messages that begin with 'Hello!' but signed by unknown sources. You play as a scrappy amateur detective, navigating through a labyrinth of quirky characters from disgruntled baristas to conspiracy theorists, each with a convoluted story about who might be sending these mysterious hellos. Unravel the connections between the senders and recipients, gather clues, and confront the bizarre truth behind this odd communication epidemic. Your choices steer the investigation through humorous yet tense encounters, shifting alliances, and unexpected plot twists.