We Couldn't Become Adults (ボクたちはみんな大人になれなかった, Boku-tachi wa Minna Otona ni narenakatta) is a 2021 Japanese film written by Ryō Takada and directed by Yoshihiro Mori and starring Mirai Moriyama and Sairi Ito.
[1][2][3] The story moves back and forward in time, between 2020 and 1998, showing Makoto's life, generally in reverse, focusing on his career and his past relationships.
It then jumps to Makoto at a farewell event for a long running show, hosted by Mitsuo Oguro (LaSalle Ishii) that is now finally finishing after years.
He remembers meeting Su, at his regular hang out, run by crossdressing pub owner Nanase.
He has spent a lot of his life working long hours, and has had numerous failed relationships.
Mid point through the plot, Makato gets a Facebook friend request from Kaori, the ex girlfriend that sent the postcard.
He was working at a cake shop at the time, and the manager, Toshihiko Nanase gives him a personal advertisement from a newspaper.
They spend their first night in a cheap love hotel, which becomes a regular event in an astrology themed room.
Makoto eventually gets out of the taxi and looks around the old parts of the town where he spent time with Kaori.