Shueisha announced on Tuesday that Io Sakisaka's Omoi, Omoware, Furi, Furare manga is inspiring both an anime film and a live-action film adaptation. A-1 Pictures (The IDOLM@STER, Kaguya-sama: Love is War, Sword Art Online) is producing the anime film for a May 2020 opening. Takahiro Miki, who also directed the live-action film adaptation of Sakisaka's Blue Spring Ridemanga, is directing the live-action Omoi, Omoware, Furi, Furare film, which is slated for an August 2020 opening.
The live-action film's cast includes (from left to right in image below):
Eiji Akaso as Kazuomi
Minami Hamabe as Akari
Riko Fukumoto as Yuna
Takumi Kitamura as Rio