Comment by camel-cdr

The German fanfiction site fanfiktion.de has restricted reading times for certain explicit works:

> This story has been classified as developmentally harmful and has been given special protection measures. It can therefore only be read by registered users and only between 11:00 pm and 4:00 am. Registered users have the option of carrying out age verification with us in order to be able to read such stories without time restrictions. (google translated)