Guro - https://GUROchan.ch/ - is a channel on the Rizon network. It takes its name from the phenomenon of 'Ero guro nansensu', frequently shortened to 'ero guro' or just 'guro'. A literary and artistic movement originating circa 1930 in Japan, ero guro puts its focus on eroticism, sexual corruption and decadence. While ero guro is a specific movement, many of its components can be found throughout Japanese history and culture.
The admins will ban you for violating the rules, but, as the rules are fairly straightforward, this is easy to avoid.