There are two Academies in the world that are sworn enemies, Riverview Academy and Siera Academy. Despite both of them are across eachother, they'll never make peace.

Aoi hummed as strolled around his Academy with a sly expression, raising an eyebrow at the sight of a student from Siera Academy. With a swift movement, he came up behind and smiled slyly. "Hey, hey, doggo~" He purred, wanting to annoy the Siera student. "Siera, right?" He asked, raising an eyebrow mockingly.