Primary

• Yoshihito Usaida Caretaker of Midori Sawatari
• Yoshihito Usaida Caretaker of Takuma Mamizuka
• Yoshihito Usaida Caretaker of Kazuma Mamizuka
• Yoshihito Usaida Caretaker of Taka Kamitani
• Yoshihito Usaida Caretaker of Kotarou Kashima
• Yoshihito Usaida Caretaker of Kirin Kumatsuka

Extended

• Taka Kamitani Younger Brother of Hayato Kamitani
• Kotarou Kashima Younger Brother of Ryuuichi Kashima
• Kirin Kumatsuka Daughter of Satoru Kumatsuka
• Kirin Kumatsuka Daughter of Yayoi Kumatsuka
• Kazuma Mamizuka Twin Brother of Takuma Mamizuka
• Kazuma Mamizuka Son of Umi Mamizuka
• Takuma Mamizuka Twin Brother of Kazuma Mamizuka
• Takuma Mamizuka Son of Umi Mamizuka
• Midori Sawatari Daughter of Yukari Sawatari