It was the next day lisa awoke to Barts hard cock poking her tummy and she wrapped he little hand around it and slowly stroked it. Bart slowly woke up then felt a amazing sensation and realised that it was lisas little hand stroking his little yellow cock (beep beep) the school bus bus was here lisa and Bart quickly got dressed so quick that Lisa forgot to put on pantys in the process.

Bart and lisa got on the bus and sat down in there normal seats which for Bart meant millhouse and lisa behind the two twins they look behind at lisa and seen her little pink mound and giggled. "what are you two laughing about" she snapped " noting lisa" they said in there annoying voice and continued to giggle. Millhouse looked back towards lisa and he seen lisas jewel and started to get hard " um Bart why is lisa not wearing pantys" he asked shyly. Bart hit Millhouse "don't look at my sister I said man" Bart said angerly

The bus came to a stop and the children got off Bart pull lisa to the side "what are you doing thats my pussy" he says sternly lisa looks shocked "what you mean" Lisa says a little bit scared Bart then grabbed her by the hand and brought her behind a wall he then proceeds to lift her dress up "people can see your vagina" he says angerly Lisa blushes sorry Bart I didn't known" she whimpered. "your my pet now you do whatever I say now do you understand" he asked she nooded and tryed her eyes he apologies for doing that but explain he had to and they both go to class happy

It was a few hours later and the bell rang for lunch Bart demand that Lisa went to the bathroom for punishment she obliged and walked into the new boys bathroom that was still under construction there Bart was waiting for her "what are we doing here Bart" she. Said confused he bent her over and spanked her ten times on her bare yeelow ass 'your pussy is for only me to see do you understand'" she blushes reliasing she likes it and bites her lip" yes sir "" looks like someone's wet "said Bart with a smirk"please sir let me cum she whimpers..." "No bad girls don't get to cum" Bart says with a grin he stands her up "maybe later if your good

Night falls on the Simpson household and lisa walks in to Barts room in her nightdress" please sir let me cum I've been good all day " she pleads. He gestures his finger for her to go to him he slowly takes off her bule night dress and exposes her chest he pinches them" when these come in there mine do you understand " he says in a stern voice

She nods" good your safe word is mercy" he said with a smile now get on your knees. Lisa listened and got on her knees. Bart took out his little member and forced his member into lisas little mouth and face fucked her while holding her blonde hair. He took it out do you like the taste of your masters penis "he asked Lisa wiped the drull from here lips" yes sir" he shoved it again and again.

He then pick her up and threw her on top his bed and spread her little yellow legs and began to lick her tight little pink pussy "mmm you taste soo good pet" "thank you sir" he continues to lick her sweet pussy for almost ten minutes "please sir I need you inside me" she begged decideing it was time he obliged by putting his little member inside her little tight pussy Lisa began moaning in pleasure as Bart thrushed his penis in and out off her little tiny pussy "please sir may I cum" she beg Bart grabs her little feet and cums inside her and keeps thrusting "yes you may" he ordered lisa who then let's out a large moan and cums all over Bart and then she says thanks and they Both cuddle the night away.