– double-check if the manga is actually that far ahead. As of my latest data, the English translated manga is around chapters 50–65, depending on the source. Raw Japanese may be slightly ahead, but not by a huge margin.
Because the first manga run concluded at Chapter 68, there is no "Chapter 69" in the original serialization by Shiosato. Instead, the story continues through a titled The World of Otome Games is Tough for Mobs: Republic Arc . – double-check if the manga is actually that far ahead