In 'Hello, What's Yours?', you play as a quirky detective in a bustling metropolis where people have lost their names and identities overnight. As you navigate through the city's vibrant neighborhoods, you must engage with various eccentric characters, each with their own stories and secrets. You'll piece together clues through interactive dialogues and deploy your detective skills to uncover the truth behind a shadowy figure known only as 'The Nameless'. With every choice you make, you unveil either hilarious or heart-wrenching backstories, leading to multiple endings based on your interactions and moral decisions.