Unfortunately the sequel isn't going to be an actual game, but just a linear visual novel that'll be released in parts for ci-en patrons over the course of a year; the completed thing will then probably be published as a single product.
Basically, it'll be like that "Divine Miko Koyori IF" thing that Poison's been putting out for a few years now.
Charlottle's hot so more bad things happening to her is welcome, but it's unfortunate that it won't be an actual game.
While NoFuture's games is what got the circle the attention it has, I get the sense that NoFuture is burned out on making games.