Sinopsis
Menikah secara tidak bahagia, Motoharu, berjalan kembali ke masa lalu, hanya untuk mengetahui bahwa dia menikah dengan wanita lain.

Details
Drama: Shitteru Waifu
Native Title: 知ってるワイフ
Also Known As: Knowing Wife , Familiar Wife , Shitteru Wife
Director: Hijikata Masato
Screenwriter: Hashibe Atsuko
Genres: Comedy, Romance, Life, Drama, Fantasy
Episodes: 11
Aired: Jan 7, 2021 - Mar 18, 2021
Aired On: Thursday
Original Network: Fuji TV
Duration: 54 min.
Country: Japan

Related Content
Familiar Wife (Korean original story)
Shitteru Shinohara (Japanese spinoff)

Main Role
Ohkura Tadayoshi - Kenzaki Motoharu
 Hirose Alice - Kenzaki Mio / Tateishi Mio

Support Role
Takimoto Miori - Egawa Sayaka / Kenzaki Sayaka [Motoharu's crush]
 Matsushita Kouhei - Tsuyama Chiharu [Motoharu's colleague]
 Kawaei Rina - Kenzaki Nagisa / Kida Nagisa [Motoharu's sister]
Morita Kanro - Kida Naoki [Motoharu's bestfriend]
Suezawa Seiya - Shinohara Kyosuke [Bank employee]
Sano Hinako - Ogata Megumi [Bank employee]
Ando Nico - Higuchi Shizuka [Bank employee]
Magy - Nishi Tetsuya [Motoharu's boss]
Nekoze Tsubaki - Kotani Tsukasa [Chief of the bank counter section]
Okayama Hajime - Miyamoto Kazuhiro [Branch manager of the bank]
Namase Katsuhisa - Koike Ryoji [Mysterious man who gives Motoharu coins]
Katahira Nagisa - Tateishi Hisae [Mio's mother]
Azumi Masahiro - Tateishi [Mio's father]
Miyazaki Ririsa - Kenzaki Saori [Motoharu and Mio's daughter]
Hamada Ao - Kenzaki Keita [Motoharu and Mio's son]

Guest Role
Katsukura Keiko - [Old lady waiting at the bus stop] (Ep. 1-2)
Kurahashi Hidemi - [Woman who is watering flowers] (Ep. 1-2)
Umezawa Masayo - Kenzaki Tomoko [Motoharu's mother / Voice] (Ep. 2)
Komatsu Toshimasa - Saigo [Aoi Bank Setagaya Branch client] (Ep. 2)
Asaka Mayumi - [Aoi Bank Setagaya branch client] (Ep. 3)
Yamada Meikyo - Egawa Hidehiko [Sayaka's father] (Ep. 3-4)
Umoto Yuki - Egawa Riyoko [Sayaka's mother] (Ep. 3-4)