Synopsis

You are a world composed of approximately forty trillion cells. This vastness means that if each cell were the size of a human, you would stretch to the height of twenty Mount Everests. To the creatures that dwell upon you, this immense structure is an ecosystem—abundant in resources, warmth, and space, a prime location for establishing homes and families. While some of these inhabitants are welcome, most represent a threat. Your immune system is the protector of this world, the force dedicated