連弾

Naoto Takenaka

Sasaki Shoutarou

天海祐希

Sasaki Namiko

Keika Fukitsuka

Sasaki Mari

Sawa Suzuki

Ohsawa no tsuma

片桐はいり

Bengoshi

さとうやすえ

Chizuru Nagai (staff at piano course)

Reiko Matsuo

Ritsuko

Kazuki Kitamura

Ohsawa