Extremely Inappropriate!

Extremely Inappropriate! (不適切にもほどがある!) is a 2024 Japanese television series about a man who time travels from 1986 to 2024, where he finds that his Shōwa-era way of being conflicts with contemporary Japanese society.

Cast

 * Sadao Abe as Ichirō Ogawa
 * Riisa Naka as Nagisa Inushima, Junko's daughter
 * Hayato Isomura as Mutsumi Akitsu (1986) and his son Masahiko
 * Hikomaro as Mutsumi Akitsu (2024)
 * Yuumi Kawai as Junko Ogawa, Ichirō's daughter
 * Yō Yoshida as Sakae Sakisaka (2024)
 * Otone Maeda as Sakae Sakisaka (1986)
 * Manato Sakamoto as Kiyoshi Sakisaka, Sakae's son
 * Arata Furuta as Yuzuru Inushima (2024), Nagisa's father
 * Ryo Nishikido as Yuzuru Inushima (1990), Junko's husband
 * Yoshihiko Hakamada as the master of a cafe (1986)
 * Baku Numata as the master of a cafe (2024)
 * Hiroki Miyake as Masakazu Inoue (2024), Sakae's ex-husband
 * Richi Nakata as Masakazu Inoue (1986)
 * Takehiko Ono as Masakazu Inoue (2054)
 * Ayumu Nakajima as Yasumori
 * Koji Yamamoto as Kazuya Kurita
 * Narushi Ikeda as Kentarō Emo
 * Masaki Okada as Naoki
 * Norito Yashima as himself
 * Yu-ki Matsumura as himself, a popular actor in the 1980s.
 * Kyoko Koizumi as herself, one of the top idols of the 1980s.