Hello, Whose Dilemma?

In a chaotic city teeming with secrets, you awaken to find yourself at the center of the most bizarre event: a series of unsolved greetings perplexing residents. Each time you say 'hello,' someone vanishes, and the entire city is thrust into a comical frenzy of speculation and paranoia. Navigate through quirky neighborhoods, interact with eccentric characters, and uncover the truth behind these mysterious hellos. Will you solve the riddle, avoid endless awkward encounters, and restore the peace, or become the next victim of a greeting gone wrong?