Primary

• Naomi Nakashima In love with Satoshi Mochida
• Naomi Nakashima Best friend of Seiko Shinohara

Extended

• Seiko Shinohara Best friend of Naomi Nakashima
• Seiko Shinohara In love with Naomi Nakashima
• Satoshi Mochida Older Brother of Yuka Mochida
• Satoshi Mochida In love with Naomi Nakashima