Primary

• Reiji Father of Mysterious Girl
• Reiji Lover of Aila Jyrkiainen

Extended

• Aila Jyrkiainen In love with Reiji
• Aila Jyrkiainen Mother of Mysterious Girl
• Aila Jyrkiainen Lover of Reiji
• Mysterious Girl Daughter of Reiji
• Mysterious Girl Daughter of Aila Jyrkiainen
• Mysterious Girl Friend of Sekai Kamiki