Primary

• Gengetsu Hozuki (Second Mizukage) Enemy of Mu
• Gengetsu Hozuki (Second Mizukage) successor of Byakuren
• Gengetsu Hozuki (Second Mizukage) predecessor of Third Mizukage

Extended

• Mu Former student of Ishikawa
• Mu former teacher of Onoki
• Mu Enemy of Gengetsu Hozuki (Second Mizukage)
• Byakuren predecessor of Gengetsu Hozuki (Second Mizukage)
• Byakuren was there at first kage meeting with Hashirama Senju
• Byakuren was there at first kage meeting with Reto
• Byakuren was there at first kage meeting with A (First Raikage)
• Byakuren was there at first kage meeting with Ishikawa
• Third Mizukage successor of Gengetsu Hozuki (Second Mizukage)
• Third Mizukage predecessor of Karatachi Yagura