In a world where each person's communication ability is tied to their 'Hello' and 'Goodbye' skills, you play as a 'Linguistic Mercenary' navigating a fractured society. Explore different cities filled with quirky characters, each facing their own communication crises. Your mission? Help them master their greetings and farewells while unraveling a deeper mystery about a new invention threatening to silence society entirely. Your choices influence conversations and relationships, making each playthrough uniquely unpredictable. Will you be a master of impact, or will your words fall flat?