Primary

• Risa Oumi In love with Yuuichi Yusa
• Risa Oumi Younger Sister of Misa Oumi
• Risa Oumi Owner of Silvianna

Extended

• Misa Oumi Older sister of Risa Oumi
• Misa Oumi Previous Owner of Mikan
• Silvianna Pet of Yuuichi Yusa
• Silvianna Pet of Risa Oumi
• Yuuichi Yusa Owner of Mikan
• Yuuichi Yusa Owner of Silvianna