Primary

• Saeko Busujima Friend of Takashi Komuro
• Saeko Busujima In love with Takashi Komuro

Extended

• Takashi Komuro Childhood friend of Rei Miyamoto
• Takashi Komuro Childhood friend of Saya Takagi
• Takashi Komuro In love with Rei Miyamoto
• Takashi Komuro In love with Saeko Busujima