Primary

• Momiji Hozuki In love with Mahiro Oyama
• Momiji Hozuki Younger Sister of Kaede Hozuki

Extended

• Mahiro Oyama Older Brother of Mihari Oyama
• Kaede Hozuki Older Sister of Momiji Hozuki
• Kaede Hozuki Friend of Mahiro Oyama
• Kaede Hozuki Friend of Mihari Oyama