Whose Hellos Are These, Anyway?

In a bustling city filled with an eccentric cast of characters, you, an underappreciated greeting card writer, find yourself in a whirlwind of chaos when someone starts sending mysterious, personalized greetings to the city's residents — greetings that you secretly penned. As strange events begin to unfold, you must navigate strange alliances, uncover the identity of the greeting thief, and explore the bizarre situations that arise from these uncanny hellos. Will your knack for words help you untangle this puzzle, or will you be left with a blank card by the end?