Once upon a time, robots on the Panga continent worked in factories, helping people. Centuries have passed since they gained self-awareness and went into the wild to avoid interacting with humans. The robots have become a myth and an urban legend. Nowadays, Sibling Dex are looking for their place in life and answers to eternal questions: Who should I be?, What is important in life?. Dex decides to become a tea monk, travelling around in his two-storey van with a bicycle, talking to people, listening to them and serving them fragrant tea. But one day, on the way to their hometown, they decide to take a different route and head to the Forest Land, to the Borderlands, the land of the robots. The tea monk\'s life is turned upside down when they meet Rickenella, a robot who is looking for an answer to the question: What do people need?. It depends on who you ask and how you ask them. And there are a lot of questions to ask..