Kataya Justina (ユスティナ・カタヤ Yusutina kataya) is an agent working for La Folia Rihavein and Aldegyr Kingdom. She is an Interceptor Knight of the Aldegian Knights of the Second Coming. She is stationed at Itogami Island to protect Kanon Kanase, among other matters. Her family is Japanese and she is a big fan of ninjas.
Kataya has short-cut silver hair. Kataya wears a millitary uniform similar to La Folia's blazer, excluding her extravagant embroideries.