In 'Whose Hello?', you step into the shoes of a quirky private investigator in a world where greetings carry significant power. One fateful morning, a mysterious voice calls out to you with just 'Hello!' and suddenly, everyone in your town goes missing! As you navigate through vibrant neighborhoods and engage with eccentric characters, you'll unveil a web of lies, misunderstandings, and comedic failures that lead you closer to uncovering the truth behind the disappearance. With each conversation, your choices shape the outcome of the investigation, and funny, cheeky interactions await around every corner. Can you solve the mystery before it gets too out of hand?