Primary

• Norimi Kawaguchi Ex-band member & friend Sawako Yamanaka

Extended

• Sawako Yamanaka Teacher of Yui Hirasawa
• Sawako Yamanaka Teacher of Mio Akiyama
• Sawako Yamanaka Teacher of Ritsu Tainaka
• Sawako Yamanaka Teacher of Tsumugi Kotobuki
• Sawako Yamanaka Teacher of Nodoka Manabe