Glimmer of Light in Darkness

In 2035, the world was hit hard by a catastrophic epidemic, which was basically brought under control in 2045. In order to prevent the epidemic from coming again, many scientists decided to secretly form an organization: Nano (Nano). After decades of research and exploration, they finally successfully created the genes of a pink-haired girl on June 20, 2045. Named: "Maple Erin".