Primary

• Hakuto Kunai cursed and sometimes controlled by Satan Ring
• Hakuto Kunai Ally of Ebifry Butterfly
• Hakuto Kunai summoned by Throne
• Hakuto Kunai Master of Isami Tahara
• Hakuto Kunai Master of Yu Kirino
• Hakuto Kunai Guardian of Aku
• Hakuto Kunai Ally of Luna Elegant
• Hakuto Kunai Ally of Yukikaze
• Hakuto Kunai a frequent customer of Bingo
• Hakuto Kunai Ally of Mikan

Extended

• Aku Companion of Hakuto Kunai
• Aku Companion of Luna Elegant
• Luna Elegant Companion of Aku
• Luna Elegant Younger Sister of Angel White
• Luna Elegant Younger Sister of Killer Queen
• Luna Elegant Companion of Hakuto Kunai
• Yu Kirino In love with Hakuto Kunai
• Yu Kirino Subordinate of Hakuto Kunai
• Yu Kirino Creation of Akira Oono
• Yu Kirino Ally of Isami Tahara
• Mikan Partner of Yukikaze
• Mikan Companion of Hakuto Kunai
• Yukikaze romantically and physically interested in Hakuto Kunai
• Yukikaze Partner of Mikan
• Isami Tahara Subordinate of Hakuto Kunai
• Isami Tahara Ally of Yu Kirino
• Isami Tahara Creation of Akira Oono
• Throne Summoner of Akira Oono
• Satan Ring cursing and sometimes controls Akira Oono
• Ebifry Butterfly Ally of Hakuto Kunai