WITH : Hiroshi Abe ( Ryota Yokoyama ) , Yui Natsukawa ( Yukari ) , You ( Chinami ) , Kazuya Takahashi ( Nobuo ) , Shohei Tanaka ( Yukari 's son ) , Kirin Kiki ( Toshiko Yokoyama ) and Yoshio Harada ( Kyohei Yokoyama ) .