We Couldn't Become Adults Prodded by a friend request, a feckless forty-something recalls his past relationships from the 90s onward, looking for his vanished hopes and dreams. Details Casts Videos Galleries Posters Title We Couldn't Become Adults Release Date 2021-11-05 Runtime 02 Hours 04 Minutes Genres Drama Romance Production Companies C&I entertainment Production Countries Japan Mirai Moriyama... Makoto Satō... Sairi Ito... Kaori Kato... Masahiro Higashide... Kenta Sekiguchi... Sumire... Sū... Atsushi Shinohara... Toshihiko Nanase... Oshima Yuko... Megumi Ishida... Masato Hagiwara... Hideaki Miyoshi... Takehiro Hira... Keiichiro Sanai... Moemi Katayama... Ayaka Iwai... Masanobu Takashima... Takayuki Onda... LaSalle Ishii... Mitsuo Oguro... Amane Okayama... Taniguchi... Eita Okuno... Miyajima... Hideko Hara... Megumi's Mother... We Couldn’t Become Adults | Official Trailer | Netflix (Trailer) Original Size (3840x2160) Original Size (2048x1152) Original Size (1920x1081) Original Size (1281x720) Original Size (800x1130) Original Size (800x1130) Original Size (960x1440) Original Size (960x1440) Original Size (1280x1920) Original Size (960x1440) Original Size (1000x1500) Original Size (1280x1920)