Primary

• Makoto Naegi Brother of Komaru Naegi
• Makoto Naegi Friend of Sayaka Maizono
• Makoto Naegi Enemy of Junko Enoshima
• Makoto Naegi Friend of Kyoko Kirigiri

Extended

• Sayaka Maizono Friend of Makoto Naegi
• Kyoko Kirigiri Friend of Makoto Naegi
• Kyoko Kirigiri Enemy of Junko Enoshima
• Junko Enoshima Sister of Mukuro Ikusaba
• Junko Enoshima Enemy of Makoto Naegi
• Junko Enoshima Enemy of Kyoko Kirigiri
• Komaru Naegi Sister of Makoto Naegi
• Komaru Naegi Friend of Touko Fukawa