Females only group on FB

I use my GF phone to see this group all the time and get off to it. Basically this group is for girls only, and will only get accepted to the group if your a girl. It’s a hype each other up group if that makes sense. Majority of the posts is pictures or videos of themselves in lingerie or thongs/panties. A lot of implied nudity and all the girls in the group are commenting and liking the posts and hyping each other up.