There's no need to give a blow-by-blowjob account. Faith kept on sucking me off whenever I requested, and she usually swallowed, but always refused when I asked to see her tits or anything else. With the days specified in the wager running down, I had, at last, a brilliant idea. I couldn't pull it off while Mom and Dad were there, but the last morning of my privileges, after they'd left for work, I knocked on the door to Faith's room.
"I'm going to take a shower," I said. We typically warned each other of this fact, because turning on the water in the kitchen would drastically change the temperature of the water in the shower.
"Yeah, you need one," she said, the barb automatic and unthinking, and therefore didn't really hurt. She didn't even look up from the computer. "I don't need it."
I waited in her doorframe. "Yeah, but, here's the thing... I kind of want a blowjob in the shower."
She finally looked up. "Can't it wait until after? Or I could give it to you now..."
"'Whenever I want'", I reminded her. "And I want it in the shower. So you better get undressed."
She sighed, and made sure I heard it, then muttered, "Damn you, Samuel L. Jackson." She made sure I heard that too. "I'll be in there in a minute," she said.
I decided to leave her to getting herself ready, and went into the bathroom, leaving the door open. I started the water so it would warm up to a nice temperature, and then stripped down. My cock sprang, fully hard, out of my boxers.
I got in the water and called out, "I'm waiting," loud enough for her to hear me in her room. She came storming in, with a pout on her face.
She wasn't naked. But it was a step in the right direction.
Faith was wearing only the bottom piece of a green two-piece swimsuit. That left her topless. I stared at her. She had a lithe dancer's body, without much fat on her at all, and barely any tits at all. In fact, if you looked at her from wrong way, you might think she was completely flat. It was only at certain angles that her breasts revealed themselves, like they were hiding the rest of the time.
The boobs may not have been great, but her nipples were glorious, poking visibly out, surrounded by a well-defined circle of pink. I licked my lips involuntarily at the sight of them. "Shut up," she said, feeling my gaze. "I couldn't find the fucking top half," she explained. With one arm, she tried to cover herself, but it was too late, I'd already seen what she had to see.
"I'm not complaining," I said.
"I bet." She pulled back the shower curtain with her other hand and stepped over the edge of the bathtub, then kneeled in the water pooling by my feet. I bopped her in the face with my cock. It bounced off her lip, then she caught it in her hand on the rebound and placed it inside where it belonged.
I wished I had eyes in my knees so I could stare at those nipples, but her back blocked my view, so had to be content with looking her head bobbing up and down and the little bit of ass crack I could see poking out of her suit. "You know, there's something wrong with people who wear bathing suits in the shower," I said, but she wouldn't take the hint and remove it.
She licked and sucked on my dick for several minutes, but this time, when I told her I was ready, she pulled off. Instead of squirting down her throat, I hit her face with one glob, then I angled down where I hit mostly her shoulder and neck before I managed to get just a little bit on her tits.
"What's wrong?" I asked. "Didn't want to swallow?"
"I never do," she said. "I only do it so I don't have to clean up. Next time don't ask me to get in the shower with you if you want me to swallow." Maybe she thought she was teaching me a lesson, but she wasn't. It was almost as hot to watch her take my load on her face as it was to know she was swallowing it.
I got a little bonus treat that time, too. She stood up and pushed past me to get into the shower spray, to wash my semen off her body and down the drain. As she did, her chest brushed against my arm. I also got a nice look as the stream of water ran down her chest, doing a little jump off her perky nipple.
Once her face was clean, she stepped out and grabbed my towel to dry off. "Enjoy the rest of your shower. I don't need one." She dried herself quickly, then wrapped my towel and left, taking it with her. Her door slammed seconds later, and music started up again. I soaped myself up and cleaned myself off while imagining her fingers thrusting in her pussy.
I later had to sprint out naked to get another towel, but I didn't mind, no one else was home. By the time I was done, dressed and my hair all styled, Faith was downstairs, so I tiptoed into her room and looked around. There were clothes strewn all over, and I smiled in satisfaction as I realized that she had evidently passed up a blue one-piece swimsuit in favor of the green bottoms she took to the shower. She had an alternative to showing me her tits, and she didn't take it. It was all new evidence for my theory that she wanted it.
Unfortunately, I was running out of time to exploit the deal. It was the last day I would be entitled to blowjobs, and I certainly couldn't try the shower trick again. I had some plans with friends who were finished their exams that day, and I couldn't do it when our parents might come home and wonder why we were both in the shower together. It wasn't a big risk to get a blowjob in one of our rooms while they were home, because our parents tromped around the house loudly and you could hear them coming while they were halfway down the hall. In the shower, it would be a lot harder to get into an innocent looking position.
I met Faith in the kitchen, and we talked a bit before I went to see my friends. To be prepared, and to be nice, I asked her if she was going to need a ride home from Dance class that day, but she told me it was cancelled this week, so she was just going to hang around the house and watch videos. When I learned that, I seriously considered cancelling my plans with my friends to get whatever blowjobs I could. I decided not to, because I had little time to see my buddies lately, and you know what they say, "Bros before hos."
That was a mistake. The rule's bullshit. None of my "bros" would give me blowjobs. Not that I wanted any from them, I'm just saying I was an idiot to give up blowjob time to hang out with them. It was fun hanging out with them, but nothing compared to getting my cock sucked by my sister.
I got one last session of head from her in her room that night. By established history and a lot of prior arguments, bets of "one week" or "one day" or "one month" or whatever were always rounded up to the next day, so even though we started in the middle of the day last week, I could press her for one until we went to bed. So I did.
It was only after I left her room that I realized she never mentioned it was the last. Neither had I.
So I decided to press my luck. The next morning, after the folks were gone, I went into her room one more time, mentally crossing my fingers. "Hey," I said. "Want to give me a blowjob?"
She sighed, and went down on me again. It was excellent, and she swallowed my load, and was all the more enjoyable because it was a freebie. "Thanks," I said after I was done.
"Don't thank me," she muttered after a last swallow. "I don't want to be doing this. Thank Samuel L. Jackson."
It was idiotic of me, but I couldn't resist rubbing in her face. Both literally and figuratively. As I wiped my dick on her face, I said, "Sammy had nothing to do with this one. The bet was only for one week, remember?"
Her mouth opened wide, and then her face turned red. "You jerk," she yelled. She grabbed a pillow from her bed nearby and threw it at my head, but barely missed me. "I was thrown off because my dance class was cancelled. Why didn't you tell me?"
"I never said you had to do it, I just asked you if you wanted to. You seemed to enjoy it so much the other times."
"Fuck you," she said.
"If you wanted, but you'd have to give me a few minutes to recharge."
"Shut up and get out of my room. You asshole. The only reason I'd go anywhere near your smelly cock was because of the bet."
She pushed me towards the door until I was out of the room, and then slammed it in my face. I heard the lock click, and then a sound I thought was her flumping on her bed. I stayed there being super quiet. She hadn't turned music on, and it was extremely quiet in there. After a few minutes, I thought I heard a repeated whimpering sound. Not like she was crying... I'd heard her cry before and this wasn't it. This had a little bit of a grunt in it. I imagined herself shoving something into her pussy that was a little bigger than comfortable, and the sound fit with what noises I'd imagine she'd make. I grinned. She was more into it than even I expected.
When she left that day, I went back in there, looking for anything she might have shoved inside her and gave it a sniff. Hair brushes, sharpies, thin cans of styling goo. To my disappointment, I found no candidates with an unusual scent. Either she hid it, used only her fingers, or I was wrong entirely.
I didn't think I was wrong. But for a while, she made me doubt myself
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