Whose Hellos Are These, Anyway?

In a world where greetings are more than just pleasantries, players navigate a bustling metropolis teeming with eccentric characters and hidden secrets. Each greeting you encounter unearths new layers of intrigue, leading you down various paths influenced by your choices. As a professional 'Mental Contacts Specialist', you are tasked with deciphering who sent mysterious greetings, unraveling a conspiracy that threatens to tear apart the very fabric of societal niceties—where saying the wrong 'hello' could spell doom or deliver a life-changing opportunity. Can you untangle relationships, solve puzzles, and figure out the true intentions behind these obscure hellos before it's too late?