It was just another day for a sexy and popular girl,but unfortunately she was not gonna have a relaxing day.

"Roberta Tubbs! Get down here this instant" Donna said calling her daughter

'Damn she is so annoying'

The teenage came downstairs slowly,not really in the mood

"What's up mom?" Roberta said

"Your grades! They are terrible young lady,how do you expect to get it better?" Donna put one of her hands in her hips.

"Well...Maybe i can pay some nerd to do it for me" She said naturally

"No! What you need is a tutor,but who would i call anyway? i can't waste anymore money with some professional...ah i just got an idea"

After that Donna went to The Griffins residence the next morning,knocking on the door she waits for someone to answer it. When the door opens the sexy milf sees Peter.

"May i speak to Brian?" She told him.

"Oh hey Donna,sure i call him. Hey Brian!" Peter screamed.

The dog in question came from the kitchen eating a sandwich.

"What's the problem Peter?"

"Hey Brian,can i ask you for a favor?" Donna asked.

"Ahn...sure" He didn't know what she wanted though.

"My daughter Roberta needs help,her grades are abysmally bad and she needs a tutor. I was thinking that maybe you could help her since...you seem to be the smartest around this house" Donna said looking at Peter who was playing around with a stick.

"Oh i am honored,sure i will come by tomorrow to help tutor her"

Donna leaves swaying her hips left and right while Brian and Peter watch her go,wondering how Cleveland managed to get such an hot ass ass wife.

Well moving on! *The next day at the Cleveland house*

Brian went over to Cleveland house like it was combined,knocking on the door he waited until it was opened by Cleveland Junior.

"Hello?" He said as he answered the door

"Hey is Roberta home? I am here to help her study" Brian said

"Yeah she is upstairs,come on in i go get her" Junior said.

Once Roberta comes downstairs Donna was just there watching her,the teenage girl had a sour look in her face.

"Me and Cleveland Junior are going to the arcade with Rallo. You will stay here and study young lady. Brian will help you out so pay attention"

And just like that they leave the house only letting Brian and Roberta alone looking at each other.

"So...Donna told me you need help with your schoolwork. How about we take a look?" He told her.

"Yeah whatever,here are all my subjects i need help with" Roberta said with a sigh showing to him.

When the dog looked at the sheet of paper he gasped in surprise,his mouth agape in shock at what he was seeing.

"Roberta! No wonder your failing. Most of these assignmets are due to three days from now or past due. How the heck are you even in school?" Brian questioned.

"Well…."

"Let me guess you fucked your way through right ? Slept with the teachers" Brian said with a bold statement.

"What? No! of course not...just showed a few naked sexy pics to the director that's all" She said with no care in the world.

"Roberta,the other problem is that your mother shown me those grades on the school online page and most your assignments are not even turn in or done. They gave you zeros in all these"

The dog gave her his laptop that he so conveniently had and and show it to her. Roberta looked through all her grades online seeing the situation.

"The only reason you're not failing before is because of your body and you know it"

"Oh c'mon! H...How about you do my homework for me?" She tells him with a seducing tone of voice.

"Your suppose to improve yourself and do it on your own?"

"Fine! I let you have sex with me if you do this favor i'm asking"

"WHAT? That is crazy…...well let's say i agree with this,your mom is soon gonna know something is up. the fact that i stop tutoring you and your world crumbles again is back to square one" Brian tried to reason.

"You worry too much dog" Roberta told him with her arms cross.

"Besides dont you have a boyfriend?"

"Pfft! He has a small dick anyway,listen Brian! Do all my homework and i will REALLY make worth of your time...even more if you have a nice tool" This time she licked her lips sexily.

'Damn this is wrong...but it feels so right!' "Ok..but if you fail it's your fault''

After that Roberta and Brian go upstairs to her room,opening and later locking up the door so no one can bother just in case. The sexy teenage girl starts taking off her clothes revealing her choco like skin,her beautiful breasts and narrow hips. Brian got excited seeing this show and got his ten inch cock hard and ready to rumble on her pussy.

Roberta then takes off her clothes and brain wipes out his 10 inch cock.

"Niceeeeee! Your really big Brian,bigger than my boyfriend. Speaking of him,should i call him over and let him see us fuck?" She asked being freaky.

"You mean cuckold him?" Brian asked.

"Yep"

"Why though? I think he would make a mess here if you do that"

"Well he is always annoying,it bothers me when he tries to act all gangster and stuff. Besides he can't satisfy me,i just want to mess with him real good" Roberta said with a smirk.

"You should break up with him normally though" Brian said jerking off.

"Whatever...ok instead of calling him here i just record us doing it and send it him"

The hot chick then positions the cellphone and click it to record it. Getting in the bed and spreading her legs we see Brian aiming his cock towards her pussy,slowly proceeding to slide it inside feeling her walls get to it tightly.

"Oh fuck! Hmm~yes!"

She yelled as Brian started humping her like a man should, Her breasts bouncing up and down at the pace.

Brian was enjoying himself quite a lot too "Ohhh yeah baby! Feel this dog thrust inside you"

"Your so big!" She grunted.

The position changed and now Roberta is riding Brian cock in cowgirl style but way more faster now.

"Do you think Donna would go crazy if she saw us now?" Brian joked.

"Who fucking cares? Just focus" Roberta said biting her lips.

The dog enjoyed fondling her squishy brown tits and slapping her fat ass,it wasn't as big as her mothers but it would put more girls to go green with envy.

Roberta- Who cares? Just focus

"You like this black ass don't you?" She teased

"HELL YEAH I DO" Brian shouted.

Roberta - you like that black ass.

After that she would go at his dick and start sucking on that rod,his girth was so much bigger,it would make her cough a few times. But she would never stop having fun with that member,she also sucked his balls to give that package the whole treatment,tongue wet and swirling around the head of his penis.

"Oooohhh god yes!"

She then finally got enough going on and went deeper,bobbing her head up and down sucking the heck out of his phallus.

"IM CUMMING!" Brian moaned loudly.

He covered her face in a mess of white liquid in which she took with pleasure,licking all of it like it was fresh cream. Brian however had no idea how much of a slut Roberta was,this is not over yet.

"I hope your ready for more little dog because i don't know when your gonna be able to pull out after this"

Roberta then placed his cock next to her ass,Brian saw what she was going for but it was to late...she ass slammed with all her might getting his member in her asshole,his balls hitting against her luscious big black ass.

"OHH FUCKKK!" He screamed.

Roberta was use to anal sex so she didn't care and ket going on working on Brian shaft who was not use to it. A few minutes and his balls were tightening up already and his cock twtiching.

"AHNNN AGAIN IM CUMMING!" Brian said

"Me too! HaNNNN!" Roberta moaned.

They both came with all their might covering the bed in their sex fluids,all recorded on the cellphone. She would later send it to Federline and enjoy the look on his face later on.

"Phew...Jesus Christ your an animal" Brian said to her.

"Whatever you say Doggo" She then lightened up a cigarette.