Primary

• Satoshi Mochida Older Brother of Yuka Mochida
• Satoshi Mochida In love with Naomi Nakashima

Extended

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