Jinn convinces his sister to help him with a boner and then his mother arrives and they have a threesome

Hey, sis, I got a problem. - What happened to you?

It's just that I've been like this for three hours and it hasn't come down.

What can you take off?

I just don't know what to do. They've been standing like this for three hours and I can't get it down.

No, I'm serious, and it won't come off. - No, but it's my problem.