User blog comment:Lias' Pawn/The Possibility within the new 'Shin' High school Dxd/@comment-1359322-20180407043631

Regarding no. 2, no the series isn't expanding, the fifth arc is still the last arc of DxD, so currently Shin DxD is only expected to cover the Azazel Cup only. Also, Ishibumi confirm Shin will focus on Ise progressing his relationship with his future wives.