Schwi Dola is a robot, which are also called Ex-Machina. Schwi is a female who looks like a little girl and she is 211 years old. Firstly, Schwi's behavior was similar to that of a stereotypical artificial intelligence, she could absorb and process data and intelligence very quickly and act in the appropriate manner - a unique characteristic of her race. Over time spent with Riku, she seemed to have started to develop her own [heart]. Her expressions and feelings became more vivid over time. 