Maria-sama ga Miteru or Maria Watches Over Us (2010 is Japanese lesbian live action, released in 2010, which is adapted from the same manga written by Oyuki Konno.
Honoka Miki deverlops herself with two Japanese lesbian film as also.
Like manga version, Yumi Fukuzawa (played by Honoka Miki) and Sachiko Ogasawara ( played by Haru) become the main characters of this lesbian film. They join a Catholic high school, and meet while praying in front of Virgin Mary statue.
Since the manga and live action version of Maria-sama ga Miteru is not more different from manga version, you can keep watching this film as you want to know further more.