Rika Shirohana is a 17 years old Second-year student from Weasel Class of Areishia Spirit Academy, she also have contracted with a Contracted Spirit called Alligant, a Water Crocodile Elemental Spirit that can take a form of a Water Heavy Machine Gun Elemental Waffe that was a form of Germany's World War 2 MG-42. Despite having an Elegant outside of her, she actually has a Motherly side inside her... She also came from Tokyo, Japan, which she also can speak both Japanese and English...