Whose Hellos Are These, Anyway?

Step into the shoes of 'Echo', a pragmatic private investigator with a penchant for sarcasm. After receiving a mysterious package filled with unusual greeting cards, each signed with enigmatic roll-calls of 'Hello', Echo is thrown into a whirlwind of odd characters and absurd scenarios. Solve the riddles each card presents while navigating a quirky town where everyone has their own idea of a friendly greeting—or an eerily personal vendetta. Will Echo untangle the tangled web of inconceivable hellos before it's too late, or will they succumb to the madness of miscommunication?