Yuna is a robot Korean woman from South Korea. In the year 3218, South Korea and Ireland merge together, which forms 'The Ridge', a set of mountains separating Ireland and South Korea. Yuna was human, before she was turned into an android robot in Belfast. She lives near The Ridge. Yuna was involved in a war called 'The Great Collision', which was in the year 3214. Yuna is a battery powered robot. She is a model 27 robot. The lower models are hated and looked down upon.