Primary

• Yu Narukami Best friend of Yosuke Hanamura
• Yu Narukami Cousin of Nanako Dojima

Extended

• Nanako Dojima Daughter of Ryotaro Dojima
• Nanako Dojima Cousin of Yu Narukami
• Yosuke Hanamura In love with Saki Konishi
• Yosuke Hanamura Partner of Yu Narukami