all kinds of sci-fi~ 

{bl stories with interstellar/apocalypse/post-apocalypse/dystopian/futuristic/alternate world sci-fi settings, also some unlimited flow/transmigration/supernatural spec-fi if they have sci-fi elements like advanced artificial intelligence systems, magitek, or travel between alternate realities/parallel worlds, many of these feature topics like human experimentation, genetic modifications, mutations, bloodlines, evolution and there may be romantic relationships between characters that are human, nonhuman, humanoid, nonhumanoid, hybrids, aliens, androids, etc.}