Since at least fifteen chapters have been released in Japanese, and fourteen of those have been translated by a group that does not want their translation uploaded here, it's currently pretty easy to say what will happen next.
@Oeconomist - since at least 180 chapters of WN have been translated to English, and the storylines don't seem to differ, it's pretty easy to say what will happen in the foreseeable future.
How long it will be until the MC begins to train the brainless barbarians of that world who can not use anything other than salt in their cuisine or the use of sugar along with children who never say more than two words