Ouka Tenjouin

Kazuya's cousin from his mothers side; and also his fiancee, she hates all Pandoras and insists that Kazuya doesn't need to affiliate himself with them since she is by his side. Ouka's aunt is revealed to be Kazuha Aoi and Kazuya's mother, which would make her their cousin. It is also revealed that she was arranged to marry Kazuya Aoi by his grandfather, Gengo Aoi, whom she feels rules over the Aoi and Tenjouin families.