Sci-fi
Frequently asked
▶What kind of doujin works are tagged with Sci-fi?
Sci-fi is one of the genre tags used on FANZA's doujin floor. DoujinNavi surfaces the most popular Sci-fi works ranked by recent activity, plus AI-generated neutral descriptions on each work page.
▶How many Sci-fi works are listed on DoujinNavi?
DoujinNavi currently indexes 2,265 Sci-fi works from FANZA. The list refreshes every 30 minutes so newly published titles appear within an hour.
▶Where can I read or buy Sci-fi works?
Each work page links directly to FANZA (and to DLsite when a matching RJ code exists). Purchases are completed on those storefronts; DoujinNavi only handles discovery and earns affiliate commission on referral.
▶Does DoujinNavi recommend Sci-fi works personally?
Yes. Once you favorite a few works or browse for a minute, the home feed re-ranks Sci-fi (and other) works by semantic similarity to your taste vector. No account is required — taste is built from anonymous signals.