Primary

• Naori Jinguuji Twin Sister of Rumi Jinguuji
• Naori Jinguuji Childhood friend of Jun Shirosaki

Extended

• Jun Shirosaki Former boyfriend of Rumi Jinguuji
• Jun Shirosaki Childhood friend of Naori Jinguuji
• Rumi Jinguuji Twin Sister of Naori Jinguuji
• Rumi Jinguuji Childhood friend of Jun Shirosaki
• Rumi Jinguuji Former girlfriend of Jun Shirosaki