Whose Hellos Are These, Anyway?

In a bustling city where every pedestrian seems to share an inside joke, you, a disgruntled freelance greeting card writer, receive an anonymous envelope filled with cryptic 'hellos' from strangers. Fueled by curiosity and a not-so-healthy dose of caffeine, you embark on a misadventure to uncover the identities behind these greetings. Interact with a quirky cast of characters, decipher clues hidden in humorous dialogues, and navigate eccentric locations in your quest for answers while trying to keep your sanity intact. Will you solve the mystery, or will you end up muttering more hellos than you can count?