Primary

• Ken Kaneki In love with Touka Kirishima
• Ken Kaneki Friend of Hinami Fueguchi
• Ken Kaneki Friend of Uta
• Ken Kaneki Friend of Hideyoshi Nagachika
• Ken Kaneki Friend of Nishiki Nishio

Extended

• Touka Kirishima Daughter of Arata Kirishima
• Touka Kirishima Younger Sister of Ayato Kirishima
• Touka Kirishima Friend of Yoriko Kosaka
• Touka Kirishima Friend of Hinami Fueguchi
• Touka Kirishima Friend of Nishiki Nishio
• Touka Kirishima Niece of Renji Yomo
• Touka Kirishima In love with Ken Kaneki
• Hideyoshi Nagachika Best friend of Ken Kaneki
• Nishiki Nishio Boyfriend of Kimi Nishino
• Nishiki Nishio Friend of Touka Kirishima
• Nishiki Nishio Friend of Ken Kaneki
• Hinami Fueguchi Daughter of Ryouko Fueguchi