You enlist Andrea's help

You and Kim peel yourself off each other in the car, grab the groceries and clothes and don't bother to put on clothes as you walk into the house with your mother. You walk in to see your sister Andrea run down the stairs. You watch as Andrea comes down in a bright pink tube top where her perfectly round, marvelous tits bounce down the stairs and a part of short shorts that hide her amazing ass. Your cock starts to harden again. Kim looks at you through her cum covered face with some scorn but you shrug.

Your sister yells, "KIMBERLY BOOGLER, why are you here and why are you naked? And is that cum?" Andrea looks over at you and starts, "this is all his stupid idea, isn't it? Him and his 'need to cum' "problem" and he gets you to be here naked and ...." Your mother interrupts, "Andrea, that is enough. Ms. Boogler volunteered to spend the weekend here helping your brother cum."

Your mother adds, "and she's naked because she was helping my little baby boy cum in the car right there. And ooh, it looks like someone has to cum again. Is there anything we can do to help you, son?"

You decide to test out rules. "I think it would really help me cum if Kim and I could just be naked all weekend." Kim adds, "Andrea too. I think it would help me help him cum if she was naked too, just while in the house." You look over at Kim who's smiling proudly before correcting yourself, "Yes, I need Kim, Andrea and myself to remain naked all weekend to help me cum."

There's a slight pause in the room as it gets silent but then your mother bursts out into agreement, with your mother then ordering Andrea to take her clothes off this second. She moves up the stairs and drags Andrea down and starts pulling her clothes off herself. Andrea protests, saying "MOOOOM, I'm having my friends over tonight for a sleepover and I can't stay naked and have my perverted brother and his equally perverted girlfriend around them naked."

Your mother agrees, saying "Of course not. Kim and he will just stay in his room while your friends are over but you still have to naked around them, just tell them it's for your brother, they'll understand." Kim interrupts, "unless he needs to be around them to help him cum of course" to which your parents agree. Having fought with her mother, your mother moves and you see Andrea in all her naked glory before she tries to cover herself up. "Pervert. Perverts both of you."

You rub Kim's back softly and pinch her butt before grabbing your hardened cock to state, "Well, Mom, as you can see, I need to cum again and so Kim and I are going to go upstairs into my bedroom so that I can fuck Kim --" Kim interrupts again, "In my ass. He's going to fuck my ass as hard as he can right here in the living room with you watching." Your eyes open wide and add, "Oh, yeah, I meant fuck Kim in her ass in front of you two."

When you finish, Kim adds, "And of course so that my ass is ready for his cock, we'll need Andrea to clean off this cum from my face, masturbate herself here in front of all of us and then use her pussy juices and her mouth to lubricate my asshole. [PAUSE] So that he can fuck me in the ass. [PAUSE] So that he can cum." Looking at how much Andrea's face drops when Kim finishes, you grab her and kiss her cum filled face and her absolutely disgusting little mouth before telling everyone, "What she said."

Your mother then says, "Ok, then let's get started."