Primary

• Tomisaburou Wakamiya grandfather of Kousuke Wakamiya
• Tomisaburou Wakamiya Boss of Shizuka Onose

Extended

• Shizuka Onose Servant of Kousuke Wakamiya
• Shizuka Onose Servant of Tomisaburou Wakamiya
• Kousuke Wakamiya classmate of Izumi Takano