Ah, I'll Catch a Cold / Together Again Tomorrow
Ao ends up catching a cold, prompting the F.A. Girls to go to extreme lengths to figure out how to treat her. When their various methods only make things worse, Gourai learns to consider Ao's feelings and ask her how best to care for her. While resting from her cold, Ao has a dream in which Gourai and the other F.A. Girls are all regular human girls who go to school with her.
Aired 30/05/2017EP 9 - Ah, I'll Catch a Cold / Together Again Tomorrow

Frame Arms Girl
The story begins when Ao opens a package that arrives at her doorstep. Inside the package is Gourai, a Frame Arms Girl: a small robot capable of independent movement. Gourai is a newly-developed prototype: a Frame Arms Girl equipped with an "Artificial Self," an advanced AI that gives her a personality. Ao is the only one that has activated her. Gourai begins to gather both battle data and emotions, starting a day-to-day life with Ao, who knows nothing about Frame Arms Girls.
(Source: Anime News Network)