Getting Off Watching Best Friend Boyfriend Humping My Daughter In Bed

I've been cheating with my best girlfriend's boyfriend. She introduced me to him. She confessed to me that he likes to screw and even though he was a bit younger he can please her c**t well. I seduced him with my triple E tits and I'm a year older than my best friend. He has a thick endowed cock. We've been seeing each other secretly on and off. I had to work the night he usually was over. I came home a bit early and heard my daughter in my bedroom say, "Fuck me ! " I peered thru the doorway and saw my heavyset daughter in my bed with my girlfriend's man. He was rubbing his endowed cock on her thick nipples and kissing licking her fat belly. I heard him say to my daughter, "You're so hot! " She started to tug his endowed dick and said, "Screw me please! " Normally I would put it in my mouth and suck it. My daughter open her legs and held her c**t open.
I was getting turned on seeing her sexually used. I started to finger myself. They heard me out in the hallway. My daughter yelled out, "You can come in mom and watch ! " I sat in the chair I had in my room and saw him insert in her. He was humping her good. I pulled out the toy I had in the night sand and started using it on me. Seeing my daughter being screwed and her exposed breasts made me to join in the sexual activity. I started to suck her huge tits, while playing with my clit. "Suck those hot tits,mom !" as my girlfriends male friend stuck his dick in me doggy style. Then my daughter said," I'm enjoying this threesome, let's do it more