In a peculiar world where sound takes form, you play as Echo, a quirky sound designer trapped in a vibrant city where every greeting hides a mystery. As you navigate through bustling streets and eccentric characters, your goal is to uncover who is sending mysterious 'hellos' that disrupt the balance of sound. Each conversation leads you down unique paths, challenging you to decipher the meaning behind these greetings and their connections to the citizens' lives. Gather clues through wordplay, make choices that affect outcomes, and experience a captivating narrative filled with twists, humor, and unexpected friendships.