In 'Hello, Goodbye', players take on the role of a professional 'Memorandum Designer' in a futuristic world where social interactions are conducted through seemingly innocuous chat messages. The game unfolds across a series of bizarre encounters, where you're tasked with crafting the perfect goodbye message for various clients—each with outlandish personalities and tumultuous backstories. Players must navigate emotional highs and lows, deploy clever wordplay, and even unearth hidden secrets of the clients, ultimately shaping their destinies and shifting the societal fabric. Each choice glows with potential consequences, leading to multiple endings that reflect the complexity of human connections.