The adult Luna will of course, have a scene with Touma in the upcoming film. After they are done with the scene, Shuichiro Naito, who plays Touma commented on Yokota's performance that he felt Luna's kindness when she calls Touma's name.
Celebrating Kamen Rider's 50th anniversary and Super Sentai's 45th anniversary, the film is directed by tokusatsu veteran Ryuta Tasaki (Gamera the Brave, Kamen Rider 555: Paradise Lost), written by Nobuhiro Mouri (Kamen Rider Gaim), is produced by Kikai Sentai Zenkaiger and long time Heisei Kamen Rider producer Shinichiro Shirakura (Kamen Rider Agito, Kamen Rider Den-O). Kamen Rider Saber + Kikai Sentai Zenkaiger: Superhero Senki is set to premiere this July 22nd.
[Additional info from Cinema Today]