A showdown with a genius girl!

Akiko Yajima

Shinnosuke Nohara (voice)

Miki Narahashi

Misae Nohara (voice)

Keiji Fujiwara

Hiroshi Nohara (voice)

Satomi Korogi

Himawari Nohara (voice)

Mari Mashiba

Shiro / Toru Kazama (voice)

Chie Sato

Bo-chan (voice)

Rokuro Naya

Bunta Takakura (voice)

Michie Tomizawa

Ume Matsuzaka (voice)

Teiyu Ichiryusai

Masao Sato (voice)

Yumi Takada

Midori Ishizaka (voice)

Tamao Hayashi

Nene Sakurada (voice)