This movie marks Koizumi's first in 5 years since 2011's "Mainichi Kaasan" and her first collaboration with Nikaido. Koizumi praised her junior for being a professional at work and she was happy to see Nikaido being able to bring out the teenager traits in her character. Nikaido also commented that Koizumi is such a good and admired actress that she enjoyed being able to act with her in this movie.
Filming was recently completed.
Source: Yomiuri Hochi / Sponichi