Whose Hellos Are These, Anyway?

Dive into a perplexing world where connections between strangers are made through cryptic text messages. You are a freelance writer who discovers a series of mysterious hellos left on various social platforms, tied to an unsolved disappearance. As you delve deeper, each character you encounter—friends, family, and enigmatic strangers—shares their own unique greeting that hints at their secret motives. Navigate through a web of relationships and unravel the truth hidden beneath layers of identity, connection, and deception. Can you identify the true sender of the hellos before it's too late?