Given these interpretations, a possible topic could revolve around a personal account (bokugaki) of experiencing or witnessing the depiction of war (sensou) through media with ecchi (echi echi) elements.
Given these components, "Bokugaki Echi Echi Sensou / Bokugaki Ecchi Ecchi War Repack" seems to suggest a game or media title that could be translated to something like "Bokugaki Ecchi War" or a similar name, with "ecchi" indicating the nature of the content and "repack" suggesting it's a redistributed version of the game. bokugaki echi echi sensou bokugaki ecchi ecchi war repack