The output command is currently taken about by Passione Studio to the “HighSchool DxD Season 5”. According to the director Sueda, He'll take a little percentage of the story from the light novels and adapt it into anime. Yoshifumi Sueda has now decided what put to the sequel. I've one https://movieblast.org/highschool-dxd-season-5-release-date-2019/