TV anime Frame Arms Girl (フレームアームズ・ガール) announced a sequel anime in AnimeJapan 2018 today.
Nothing about the new season is available at the moment.
Frame Arms Girl is first an action figure franchise manufactured by KOTOBUKIYA. The anime spin-off aired in April last yearfollows Ao Gennai, an ordinary high school girl who becomes an assistance to the Frame Arms Girl after accidentally turning on the unlaunchable AI GouRai.
Frame Arms Girl annoucement in AnimeJapan 2018