New Japanese Live Action "Even Though We're Adults" Airing on Hulu Japan on April 26th
Here is the trailer. It doesn't have English subtitles but you can use the auto-translate feature in YouTube to go from Japanese to English. Right now no other platforms are known; however, there might be more platforms announced later or even after it's done airing on Hulu Japan.
Hulu Japan landing page - it will be 12 episodes long
Seven Seas Entertainment Manga Landing Page (click on a volume to see physical and digital retailers)
From X/Twitter: New GL airing on Hulu from April 26: Otona ni Nattemo/ Even Though We're Adults, adapted from a manga of the same name by Shimura Takako starring Yamamoto Mizuki and Kuriyama Chiaki (Rio from KeixYaku).
Yamamoto will play Ayano, a married elementary school teacher in her thirties and Kuriyama will play Akari, a woman who works at a dining bar. The main theme is "love between adult women" and the story revolves around Ayano, who is confused about her feelings for the first time, and Akari, who is pushed around by Ayano but cannot stop being attracted to her.