Primary

• Misa Oumi Younger Sister of Risa Oumi
• Misa Oumi Previous Owner of Mikan

Extended

• Mikan Pet of Yuuichi Yusa
• Mikan Was the Pet of Misa Oumi
• Risa Oumi In love with Yuuichi Yusa
• Risa Oumi Younger Sister of Misa Oumi
• Risa Oumi Owner of Silvianna