Extremely Inappropriate! Explained

Native Name:	Japanese: 不適切にもほどがある!
Genre:	Drama Comedy Musical
Starring:	Sadao Abe Riisa Naka Hayato Isomura Yuumi Kawai Manato Sakamoto Yō Yoshida
Open Theme:	"Nidone" by Creepy Nuts
Country:	Japan
Language:	Japanese
Num Episodes:	10
Channel:	TBS

is a 2024 Japanese comedy musical drama television series about a man and his friends who time travels back-and-fourth between 1986 (Showa era) and 2024 (Reiwa era), where the man finds that his Shōwa-era way of being conflicts with contemporary Japanese society.^[1] ^[2]

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.