I would say if they both have Game and understanding that the female isn't loyal from the jump then it's fine.
I did this with 2 of my close friends and passed the chick around. We all knew she was getting down like that and when she would lie to me, him, or the other cat about where she was going to stay with that night we would all pass the texts around and laugh
She thought she was slick but she wasn't going to bust up a good friendship we all had over her p*ssy.
We laughed about it and eventually she found out and got really embarrassed and ghosted.
These types of young nikkas out here aren't built to handle a situation like that because they are too emotional and will end up on the First 48 easily...then again some simp ass 40 year old cats will be in the same boat too.