Primary

• Akira Zaizen Older Brother of Aoi Zaizen
• Akira Zaizen Friend of Emma Bessho
• Akira Zaizen Superior of Risa Hayami

Extended

• Aoi Zaizen Younger Sister of Akira Zaizen
• Emma Bessho Half-sister of Kenneth Drayden
• Risa Hayami In love with Akira Zaizen