In a bustling metropolis where greetings hold the power to connect or disconnect lives, players take on the role of Alex, an unassuming barista with an uncanny ability to overhear people's conversations. One day, Alex receives a mysterious letter asking, 'Whose hellos are these, anyway?' With a cryptic riddle connected to a hidden world of underground greeting cults and secret societies thriving on the lines between sincerity and sarcasm, players must navigate colorful characters, make choices that influence relationships, and ultimately unravel the mystery behind a series of bizarre events triggered by forgotten introductions. The game encourages exploration of urban environments and interactions that shift based on the nuances of dialogue and social norms.