I still haven't decided what world Eiji should visit. There are several choices, but I'm currently rereading the novels I'm referring to. So before that, Eiji will still finish the plots of the current world.
It's time for the MC to know that the girls talk in their heads or that Miss System is up to something behind his back, he easily deduced that the heroines could hear his inner voice and now it seems that his IQ has dropped by a few hundred units.