The scp series is a collection of online science fiction creations, writing novels (or stories) about various very decent monsters. They seem to be very real, but in fact they do not exist. They are just novels. The SCP Foundation is just a website responsible for

The novel is posted on the website.

The SCP series also has games, such as: SCP-087, SCP-173, etc.

To put it bluntly, they are dangerous things that come out of a group of foreigners, and their sexual activities revolve around the shelter of the SCP Foundation.

Although what YY writes is very true, it is undeniable that it is indeed YY.

And where did those D-class guinea pig personnel come from?

Brainwashed?

But the writing in it is really good, a relay-style online novel from abroad.