Whose Hellos Are These, Anyway?

In a world where greetings can alter reality, you play as a washed-up private detective known for his sharp wit and an uncanny ability to stumble into the absurd. One day, mysterious letters begin appearing at your doorstep, each containing a cryptic 'hello' from a stranger. These hellos carry strange powers—some make time freeze, others cause objects to dance. As you try to uncover the source of these bizarre messages, you'll navigate a colorful cast of eccentric characters, unravel surreal plots, and engage in witty banter that balances humor with dramatic tension. Can you solve the mystery before too many hellos disrupt the fabric of reality itself?